IP.CC
Search
IP address details
AS25512
The Czech Republic ·www.cdt.cz
IP address details
AS25512
The Czech Republic ·www.cdt.cz
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS25512
  • Org Name
    The Czech Republic
  • Country
    Czech Republic
  • Country Code
  • Website
  • Regional Registry
    RIPE
  • Allocated Date
    17th December 2002
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    13
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    26
  • Ipv6 Peers
    14
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    2

Prefixes

There are 13 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
Czech Republic131.117.192.0/21
CD-Telematika a.s.
--RIPE
Czech Republic185.134.0.0/22
--RIPE
Czech Republic195.146.96.0/19
CD-Telematika a.s.
--RIPE
Czech Republic212.11.96.0/19
CD-Telematika a.s.
--RIPE
Czech Republic213.235.128.0/18
CD-Telematika a.s.
--RIPE
Czech Republic81.19.32.0/20
CD-Telematika a.s.
--RIPE
Czech Republic82.117.128.0/19
CD-Telematika a.s.
--RIPE
Czech Republic82.202.64.0/18
CD-Telematika a.s.
--RIPE
Czech Republic85.13.64.0/18
CD-Telematika a.s.
--RIPE
Czech Republic85.184.16.0/20
--RIPE
Czech Republic85.209.124.0/23
FIBER CONNECTIONS s.r.o.
85.209.124.0/22RIPE
Czech Republic89.203.128.0/17
CD-Telematika a.s.
--RIPE
Czech Republic91.234.162.0/23
Jiri Pondelicek
--RIPE
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology

Peers

There are 26 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
United StatesAS1239
Sprint
true
SwedenAS1299
Arelion, f/k/a Telia Carrier
true
United StatesAS174
Cogent Communications
true
Czech RepublicAS197550
Internet4you.cz, spol. s r.o.
false
Czech RepublicAS197698
D-H-T SYSTEMS s.r.o.
false
SlovakiaAS200355
CadcaNet plus s. r. o.
false
Czech RepublicAS20609
KAZA.cz s.r.o.
false
Czech RepublicAS20708
Tr. Vaclava Klementa 869
false
Czech RepublicAS213387
TeSuNet s.r.o.
false
Czech RepublicAS3161
IT PROFI s.r.o.
false
Czech RepublicAS43507
RETE internet, s.r.o.
false
Czech RepublicAS43614
Economia a.s.
true
Czech RepublicAS47131
PH, spol. s r. o.
false
Czech RepublicAS47767
Regionalni centrum Olomouc s.r.o.
true
Czech RepublicAS47868
AS SUPRO-NET
true
Czech RepublicAS48417
ITS akciova spolecnost
false
Czech RepublicAS50975
KYOCERA AVX Components s.r.o.
false
Czech RepublicAS51331
SychrovNET s.r.o
true
Czech RepublicAS51449
Kabelova televize Usti nad Orlici, spol. s r. o.
false
Czech RepublicAS51524
Ales Tesacek
false
  • 1
  • 2
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Upstream

There are 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
United StatesAS1239
Sprint
false
SwedenAS1299
Arelion, f/k/a Telia Carrier
true
United StatesAS174
Cogent Communications
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Downstream

There are 21 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
Czech RepublicAS197550
Internet4you.cz, spol. s r.o.
false
Czech RepublicAS197698
D-H-T SYSTEMS s.r.o.
false
SlovakiaAS200355
CadcaNet plus s. r. o.
false
Czech RepublicAS20609
KAZA.cz s.r.o.
false
Czech RepublicAS20708
Tr. Vaclava Klementa 869
false
Czech RepublicAS213387
TeSuNet s.r.o.
false
Czech RepublicAS3161
IT PROFI s.r.o.
false
Czech RepublicAS43507
RETE internet, s.r.o.
false
Czech RepublicAS43614
Economia a.s.
true
Czech RepublicAS47131
PH, spol. s r. o.
false
Czech RepublicAS47767
Regionalni centrum Olomouc s.r.o.
true
Czech RepublicAS47868
AS SUPRO-NET
true
Czech RepublicAS48417
ITS akciova spolecnost
false
Czech RepublicAS50975
KYOCERA AVX Components s.r.o.
false
Czech RepublicAS51331
SychrovNET s.r.o
true
Czech RepublicAS51449
Kabelova televize Usti nad Orlici, spol. s r. o.
false
Czech RepublicAS51524
Ales Tesacek
false
Czech RepublicAS56450
Alberon Letohrad s.r.o
true
Czech RepublicAS56717
OG Soft s.r.o.
true
Czech RepublicAS56827
mirnet s.r.o.
false
  • 1
  • 2
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Graphs

AS25512 Combined Upstream Graph AS25512 AS25512 AS174 AS174 AS25512->AS174 AS1239 AS1239 AS25512->AS1239 AS1299 AS1299 AS25512->AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS3257 AS3257 AS174->AS3257 AS2497 AS2497 AS174->AS2497 AS7018 AS7018 AS174->AS7018 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS701 AS701 AS1299->AS701 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549
AS25512 Combined Upstream Graph AS25512 AS25512 AS174 AS174 AS25512->AS174 AS1239 AS1239 AS25512->AS1239 AS1299 AS1299 AS25512->AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS3257 AS3257 AS174->AS3257 AS2497 AS2497 AS174->AS2497 AS7018 AS7018 AS174->AS7018 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS701 AS701 AS1299->AS701 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549

World Map

WHOIS Details

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Information related to 'AS25512'

% Abuse contact for 'AS25512' is '[email protected]'

aut-num: AS25512
as-name: CDT-AS
descr: The Czech Republic
org: ORG-CTa3-RIPE
remarks: # TRANSIT
import: from AS1299 accept ANY # TELIA
export: to AS1299 announce AS-CDT-NETWORKS
import: from AS174 accept ANY # COGENT
export: to AS174 announce AS-CDT-NETWORKS
remarks: # Peering
import: from AS6881 accept ANY # NIXCZ
export: to AS6881 announce AS-CDT-NETWORKS
import: from AS47200 accept ANY # NIX Routeservers
export: to AS47200 announce ANY
import: from AS47627 accept ANY # NIXSK Routeservers
export: to AS47627 announce ANY
remarks: # CUSTOMERS
import: from AS6881 accept ANY # NIX
export: to AS6881 announce ANY
import: from AS21241 accept ANY # MUZO
export: to AS21241 announce ANY
import: from AS34040 accept ANY # TTNET
export: to AS34040 announce ANY
import: from AS35046 accept ANY # Omega
export: to AS35046 announce ANY
import: from AS43507 accept ANY # RETE
export: to AS43507 announce ANY
import: from AS44424 accept ANY # MALL
export: to AS44424 announce ANY
import: from AS47767 accept ANY # RCO
export: to AS47767 announce ANY
import: from AS47868 accept ANY # SUPRO
export: to AS47868 announce ANY
import: from AS48417 accept ANY # ITS
export: to AS48417 announce ANY
import: from AS56450 accept ANY # ALBERON
export: to AS56450 announce ANY
import: from AS197550 accept ANY # INTERNET4YOU
export: to AS197550 announce ANY
import: from AS49101 accept ANY # KTCZ
export: to AS49101 announce ANY
import: from AS51524 accept ANY # ATESACEK
export: to AS51524 announce ANY
import: from AS56827 accept ANY # MIRNET SRO
export: to AS56827 announce ANY
import: from AS198403 accept ANY # MATRIGO
export: to AS198403 announce ANY
import: from AS56717 accept ANY # RESAL
export: to AS56717 announce ANY
import: from AS197698 accept ANY # D-H-T
export: to AS197698 announce ANY
import: from AS47131 accept ANY # PHSPOL
export: to AS47131 announce ANY
import: from AS43614 accept ANY # ECONOMIA
export: to AS43614 announce ANY
import: from AS56456 accept ANY # C2NET
export: to AS56456 announce ANY
import: from AS20708 accept ANY # SKODA AUTO a.s.
export: to AS20708 announce ANY
import: from AS62178 accept ANY # MASTER IT
export: to AS62178 announce ANY
import: from AS49488 accept ANY # TLD via NIX
export: to AS49488 announce ANY
import: from AS60275 accept ANY # RVTECH
export: to AS60275 announce ANY
import: from AS3161 accept ANY # IT Profi Vimperk
export: to AS3161 announce ANY
import: from AS20609 accept ANY # Kaza
export: to AS20609 announce ANY
import: from AS30738 accept ANY # Netart
export: to AS30738 announce ANY
import: from AS50975 accept ANY # AVX_AS
export: to AS50975 announce ANY
import: from AS62159 accept ANY # HAPPY Technik
export: to AS62159 announce ANY
import: from AS197019 accept ANY # Wedos
export: to AS197019 announce ANY
import: from AS200155 accept ANY # TCPISEK-CZ
export: to AS200155 announce ANY
import: from AS200355 accept ANY # CADCANET
export: to AS200355 announce ANY
import: from AS201457 accept ANY # KOOPERATIVA-AS
export: to AS201457 announce ANY
import: from AS42908 accept ANY # AS-NORDICTELECOM
export: to AS42908 announce ANY
import: from AS213387 accept ANY # TESUNET
export: to AS213387 announce ANY
remarks: End of list
admin-c: CDT-RIPE
tech-c: CDT-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CDT-MNT
created: 2002-12-17T14:28:40Z
last-modified: 2021-05-10T06:59:39Z
source: RIPE

organisation: ORG-CTa3-RIPE
org-name: CD-Telematika a.s.
country: CZ
org-type: LIR
address: Pernerova 2819/2a
address: 130 00,
address: Praha 3
address: CZECH REPUBLIC
phone: +420210021695
fax-no: +420210021610
e-mail: [email protected]
admin-c: CJ167-RIPE
admin-c: PL1116-RIPE
abuse-c: CDT-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CDT-MNT
notify: [email protected]
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CDT-MNT
created: 2004-04-17T11:04:09Z
last-modified: 2023-12-20T07:04:08Z
source: RIPE

role: CDT hostmaster
address: CD-Telematika a.s.
address: Pod Taborem 6
address: Praha 9
address: 191 00
address: The Czech Republic
phone: +420 210021 685
fax-no: +420 210021 699
e-mail: [email protected]
remarks: --------------------------------------------------
remarks: abuse and spam reports please mail to [email protected]
remarks:
remarks: peering and technical communication
remarks: mail to ip(at)cdt.cz
remarks: --------------------------------------------------
admin-c: PL1116-RIPE
admin-c: CJ167-RIPE
admin-c: ZP642-RIPE
tech-c: PL1116-RIPE
tech-c: CJ167-RIPE
tech-c: ZP642-RIPE
abuse-mailbox: [email protected]
nic-hdl: CDT-RIPE
mnt-by: CDT-MNT
created: 2004-01-26T14:58:45Z
last-modified: 2022-10-04T10:12:54Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)


% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Information related to 'AS25512'

% Abuse contact for 'AS25512' is '[email protected]'

aut-num: AS25512
as-name: CDT-AS
descr: The Czech Republic
org: ORG-CTa3-RIPE
remarks: # TRANSIT
import: from AS1299 accept ANY # TELIA
export: to AS1299 announce AS-CDT-NETWORKS
import: from AS174 accept ANY # COGENT
export: to AS174 announce AS-CDT-NETWORKS
remarks: # Peering
import: from AS6881 accept ANY # NIXCZ
export: to AS6881 announce AS-CDT-NETWORKS
import: from AS47200 accept ANY # NIX Routeservers
export: to AS47200 announce ANY
import: from AS47627 accept ANY # NIXSK Routeservers
export: to AS47627 announce ANY
remarks: # CUSTOMERS
import: from AS6881 accept ANY # NIX
export: to AS6881 announce ANY
import: from AS21241 accept ANY # MUZO
export: to AS21241 announce ANY
import: from AS34040 accept ANY # TTNET
export: to AS34040 announce ANY
import: from AS35046 accept ANY # Omega
export: to AS35046 announce ANY
import: from AS43507 accept ANY # RETE
export: to AS43507 announce ANY
import: from AS44424 accept ANY # MALL
export: to AS44424 announce ANY
import: from AS47767 accept ANY # RCO
export: to AS47767 announce ANY
import: from AS47868 accept ANY # SUPRO
export: to AS47868 announce ANY
import: from AS48417 accept ANY # ITS
export: to AS48417 announce ANY
import: from AS56450 accept ANY # ALBERON
export: to AS56450 announce ANY
import: from AS197550 accept ANY # INTERNET4YOU
export: to AS197550 announce ANY
import: from AS49101 accept ANY # KTCZ
export: to AS49101 announce ANY
import: from AS51524 accept ANY # ATESACEK
export: to AS51524 announce ANY
import: from AS56827 accept ANY # MIRNET SRO
export: to AS56827 announce ANY
import: from AS198403 accept ANY # MATRIGO
export: to AS198403 announce ANY
import: from AS56717 accept ANY # RESAL
export: to AS56717 announce ANY
import: from AS197698 accept ANY # D-H-T
export: to AS197698 announce ANY
import: from AS47131 accept ANY # PHSPOL
export: to AS47131 announce ANY
import: from AS43614 accept ANY # ECONOMIA
export: to AS43614 announce ANY
import: from AS56456 accept ANY # C2NET
export: to AS56456 announce ANY
import: from AS20708 accept ANY # SKODA AUTO a.s.
export: to AS20708 announce ANY
import: from AS62178 accept ANY # MASTER IT
export: to AS62178 announce ANY
import: from AS49488 accept ANY # TLD via NIX
export: to AS49488 announce ANY
import: from AS60275 accept ANY # RVTECH
export: to AS60275 announce ANY
import: from AS3161 accept ANY # IT Profi Vimperk
export: to AS3161 announce ANY
import: from AS20609 accept ANY # Kaza
export: to AS20609 announce ANY
import: from AS30738 accept ANY # Netart
export: to AS30738 announce ANY
import: from AS50975 accept ANY # AVX_AS
export: to AS50975 announce ANY
import: from AS62159 accept ANY # HAPPY Technik
export: to AS62159 announce ANY
import: from AS197019 accept ANY # Wedos
export: to AS197019 announce ANY
import: from AS200155 accept ANY # TCPISEK-CZ
export: to AS200155 announce ANY
import: from AS200355 accept ANY # CADCANET
export: to AS200355 announce ANY
import: from AS201457 accept ANY # KOOPERATIVA-AS
export: to AS201457 announce ANY
import: from AS42908 accept ANY # AS-NORDICTELECOM
export: to AS42908 announce ANY
import: from AS213387 accept ANY # TESUNET
export: to AS213387 announce ANY
remarks: End of list
admin-c: CDT-RIPE
tech-c: CDT-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CDT-MNT
created: 2002-12-17T14:28:40Z
last-modified: 2021-05-10T06:59:39Z
source: RIPE

organisation: ORG-CTa3-RIPE
org-name: CD-Telematika a.s.
country: CZ
org-type: LIR
address: Pernerova 2819/2a
address: 130 00,
address: Praha 3
address: CZECH REPUBLIC
phone: +420210021695
fax-no: +420210021610
e-mail: [email protected]
admin-c: CJ167-RIPE
admin-c: PL1116-RIPE
abuse-c: CDT-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CDT-MNT
notify: [email protected]
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CDT-MNT
created: 2004-04-17T11:04:09Z
last-modified: 2023-12-20T07:04:08Z
source: RIPE

role: CDT hostmaster
address: CD-Telematika a.s.
address: Pod Taborem 6
address: Praha 9
address: 191 00
address: The Czech Republic
phone: +420 210021 685
fax-no: +420 210021 699
e-mail: [email protected]
remarks: --------------------------------------------------
remarks: abuse and spam reports please mail to [email protected]
remarks:
remarks: peering and technical communication
remarks: mail to ip(at)cdt.cz
remarks: --------------------------------------------------
admin-c: PL1116-RIPE
admin-c: CJ167-RIPE
admin-c: ZP642-RIPE
tech-c: PL1116-RIPE
tech-c: CJ167-RIPE
tech-c: ZP642-RIPE
abuse-mailbox: [email protected]
nic-hdl: CDT-RIPE
mnt-by: CDT-MNT
created: 2004-01-26T14:58:45Z
last-modified: 2022-10-04T10:12:54Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)


IX

Country
IX
IPv4
IPv6
Port Speed
Czech RepublicNIX.CZ91.210.16.100100 Gbps
Czech RepublicNIX.CZ91.210.16.101100 Gbps
SlovakiaNIX.SK194.30.187.10010 Gbps
  • 1
Country
IX
IPv4
IPv6
Port Speed
Czech RepublicNIX.CZ91.210.16.100100 Gbps
Czech RepublicNIX.CZ91.210.16.101100 Gbps
SlovakiaNIX.SK194.30.187.10010 Gbps
  • 1
IP.CC
Search
IP address details
AS25512
The Czech Republic ·www.cdt.cz
IP address details
AS25512
The Czech Republic ·www.cdt.cz

Summary

  • As Number
    AS25512
  • Org Name
    The Czech Republic
  • Country
    Czech Republic
  • Country Code
  • Website
  • Regional Registry
    RIPE
  • Allocated Date
    17th December 2002
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    13
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    26
  • Ipv6 Peers
    14
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    2

Prefixes

There are 13 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
Czech Republic131.117.192.0/21
CD-Telematika a.s.
--RIPE
Czech Republic185.134.0.0/22
--RIPE
Czech Republic195.146.96.0/19
CD-Telematika a.s.
--RIPE
Czech Republic212.11.96.0/19
CD-Telematika a.s.
--RIPE
Czech Republic213.235.128.0/18
CD-Telematika a.s.
--RIPE
Czech Republic81.19.32.0/20
CD-Telematika a.s.
--RIPE
Czech Republic82.117.128.0/19
CD-Telematika a.s.
--RIPE
Czech Republic82.202.64.0/18
CD-Telematika a.s.
--RIPE
Czech Republic85.13.64.0/18
CD-Telematika a.s.
--RIPE
Czech Republic85.184.16.0/20
--RIPE
Czech Republic85.209.124.0/23
FIBER CONNECTIONS s.r.o.
85.209.124.0/22RIPE
Czech Republic89.203.128.0/17
CD-Telematika a.s.
--RIPE
Czech Republic91.234.162.0/23
Jiri Pondelicek
--RIPE
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology

Peers

There are 26 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
United StatesAS1239
Sprint
true
SwedenAS1299
Arelion, f/k/a Telia Carrier
true
United StatesAS174
Cogent Communications
true
Czech RepublicAS197550
Internet4you.cz, spol. s r.o.
false
Czech RepublicAS197698
D-H-T SYSTEMS s.r.o.
false
SlovakiaAS200355
CadcaNet plus s. r. o.
false
Czech RepublicAS20609
KAZA.cz s.r.o.
false
Czech RepublicAS20708
Tr. Vaclava Klementa 869
false
Czech RepublicAS213387
TeSuNet s.r.o.
false
Czech RepublicAS3161
IT PROFI s.r.o.
false
Czech RepublicAS43507
RETE internet, s.r.o.
false
Czech RepublicAS43614
Economia a.s.
true
Czech RepublicAS47131
PH, spol. s r. o.
false
Czech RepublicAS47767
Regionalni centrum Olomouc s.r.o.
true
Czech RepublicAS47868
AS SUPRO-NET
true
Czech RepublicAS48417
ITS akciova spolecnost
false
Czech RepublicAS50975
KYOCERA AVX Components s.r.o.
false
Czech RepublicAS51331
SychrovNET s.r.o
true
Czech RepublicAS51449
Kabelova televize Usti nad Orlici, spol. s r. o.
false
Czech RepublicAS51524
Ales Tesacek
false
  • 1
  • 2
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Upstream

There are 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
United StatesAS1239
Sprint
false
SwedenAS1299
Arelion, f/k/a Telia Carrier
true
United StatesAS174
Cogent Communications
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Downstream

There are 21 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
Czech RepublicAS197550
Internet4you.cz, spol. s r.o.
false
Czech RepublicAS197698
D-H-T SYSTEMS s.r.o.
false
SlovakiaAS200355
CadcaNet plus s. r. o.
false
Czech RepublicAS20609
KAZA.cz s.r.o.
false
Czech RepublicAS20708
Tr. Vaclava Klementa 869
false
Czech RepublicAS213387
TeSuNet s.r.o.
false
Czech RepublicAS3161
IT PROFI s.r.o.
false
Czech RepublicAS43507
RETE internet, s.r.o.
false
Czech RepublicAS43614
Economia a.s.
true
Czech RepublicAS47131
PH, spol. s r. o.
false
Czech RepublicAS47767
Regionalni centrum Olomouc s.r.o.
true
Czech RepublicAS47868
AS SUPRO-NET
true
Czech RepublicAS48417
ITS akciova spolecnost
false
Czech RepublicAS50975
KYOCERA AVX Components s.r.o.
false
Czech RepublicAS51331
SychrovNET s.r.o
true
Czech RepublicAS51449
Kabelova televize Usti nad Orlici, spol. s r. o.
false
Czech RepublicAS51524
Ales Tesacek
false
Czech RepublicAS56450
Alberon Letohrad s.r.o
true
Czech RepublicAS56717
OG Soft s.r.o.
true
Czech RepublicAS56827
mirnet s.r.o.
false
  • 1
  • 2
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Graphs

AS25512 Combined Upstream Graph AS25512 AS25512 AS174 AS174 AS25512->AS174 AS1239 AS1239 AS25512->AS1239 AS1299 AS1299 AS25512->AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS3257 AS3257 AS174->AS3257 AS2497 AS2497 AS174->AS2497 AS7018 AS7018 AS174->AS7018 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS701 AS701 AS1299->AS701 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549
AS25512 Combined Upstream Graph AS25512 AS25512 AS174 AS174 AS25512->AS174 AS1239 AS1239 AS25512->AS1239 AS1299 AS1299 AS25512->AS1299 AS174->AS1299 AS2914 AS2914 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS3257 AS3257 AS174->AS3257 AS2497 AS2497 AS174->AS2497 AS7018 AS7018 AS174->AS7018 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS701 AS701 AS1299->AS701 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549

World Map

WHOIS Details

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Information related to 'AS25512'

% Abuse contact for 'AS25512' is '[email protected]'

aut-num: AS25512
as-name: CDT-AS
descr: The Czech Republic
org: ORG-CTa3-RIPE
remarks: # TRANSIT
import: from AS1299 accept ANY # TELIA
export: to AS1299 announce AS-CDT-NETWORKS
import: from AS174 accept ANY # COGENT
export: to AS174 announce AS-CDT-NETWORKS
remarks: # Peering
import: from AS6881 accept ANY # NIXCZ
export: to AS6881 announce AS-CDT-NETWORKS
import: from AS47200 accept ANY # NIX Routeservers
export: to AS47200 announce ANY
import: from AS47627 accept ANY # NIXSK Routeservers
export: to AS47627 announce ANY
remarks: # CUSTOMERS
import: from AS6881 accept ANY # NIX
export: to AS6881 announce ANY
import: from AS21241 accept ANY # MUZO
export: to AS21241 announce ANY
import: from AS34040 accept ANY # TTNET
export: to AS34040 announce ANY
import: from AS35046 accept ANY # Omega
export: to AS35046 announce ANY
import: from AS43507 accept ANY # RETE
export: to AS43507 announce ANY
import: from AS44424 accept ANY # MALL
export: to AS44424 announce ANY
import: from AS47767 accept ANY # RCO
export: to AS47767 announce ANY
import: from AS47868 accept ANY # SUPRO
export: to AS47868 announce ANY
import: from AS48417 accept ANY # ITS
export: to AS48417 announce ANY
import: from AS56450 accept ANY # ALBERON
export: to AS56450 announce ANY
import: from AS197550 accept ANY # INTERNET4YOU
export: to AS197550 announce ANY
import: from AS49101 accept ANY # KTCZ
export: to AS49101 announce ANY
import: from AS51524 accept ANY # ATESACEK
export: to AS51524 announce ANY
import: from AS56827 accept ANY # MIRNET SRO
export: to AS56827 announce ANY
import: from AS198403 accept ANY # MATRIGO
export: to AS198403 announce ANY
import: from AS56717 accept ANY # RESAL
export: to AS56717 announce ANY
import: from AS197698 accept ANY # D-H-T
export: to AS197698 announce ANY
import: from AS47131 accept ANY # PHSPOL
export: to AS47131 announce ANY
import: from AS43614 accept ANY # ECONOMIA
export: to AS43614 announce ANY
import: from AS56456 accept ANY # C2NET
export: to AS56456 announce ANY
import: from AS20708 accept ANY # SKODA AUTO a.s.
export: to AS20708 announce ANY
import: from AS62178 accept ANY # MASTER IT
export: to AS62178 announce ANY
import: from AS49488 accept ANY # TLD via NIX
export: to AS49488 announce ANY
import: from AS60275 accept ANY # RVTECH
export: to AS60275 announce ANY
import: from AS3161 accept ANY # IT Profi Vimperk
export: to AS3161 announce ANY
import: from AS20609 accept ANY # Kaza
export: to AS20609 announce ANY
import: from AS30738 accept ANY # Netart
export: to AS30738 announce ANY
import: from AS50975 accept ANY # AVX_AS
export: to AS50975 announce ANY
import: from AS62159 accept ANY # HAPPY Technik
export: to AS62159 announce ANY
import: from AS197019 accept ANY # Wedos
export: to AS197019 announce ANY
import: from AS200155 accept ANY # TCPISEK-CZ
export: to AS200155 announce ANY
import: from AS200355 accept ANY # CADCANET
export: to AS200355 announce ANY
import: from AS201457 accept ANY # KOOPERATIVA-AS
export: to AS201457 announce ANY
import: from AS42908 accept ANY # AS-NORDICTELECOM
export: to AS42908 announce ANY
import: from AS213387 accept ANY # TESUNET
export: to AS213387 announce ANY
remarks: End of list
admin-c: CDT-RIPE
tech-c: CDT-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CDT-MNT
created: 2002-12-17T14:28:40Z
last-modified: 2021-05-10T06:59:39Z
source: RIPE

organisation: ORG-CTa3-RIPE
org-name: CD-Telematika a.s.
country: CZ
org-type: LIR
address: Pernerova 2819/2a
address: 130 00,
address: Praha 3
address: CZECH REPUBLIC
phone: +420210021695
fax-no: +420210021610
e-mail: [email protected]
admin-c: CJ167-RIPE
admin-c: PL1116-RIPE
abuse-c: CDT-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CDT-MNT
notify: [email protected]
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CDT-MNT
created: 2004-04-17T11:04:09Z
last-modified: 2023-12-20T07:04:08Z
source: RIPE

role: CDT hostmaster
address: CD-Telematika a.s.
address: Pod Taborem 6
address: Praha 9
address: 191 00
address: The Czech Republic
phone: +420 210021 685
fax-no: +420 210021 699
e-mail: [email protected]
remarks: --------------------------------------------------
remarks: abuse and spam reports please mail to [email protected]
remarks:
remarks: peering and technical communication
remarks: mail to ip(at)cdt.cz
remarks: --------------------------------------------------
admin-c: PL1116-RIPE
admin-c: CJ167-RIPE
admin-c: ZP642-RIPE
tech-c: PL1116-RIPE
tech-c: CJ167-RIPE
tech-c: ZP642-RIPE
abuse-mailbox: [email protected]
nic-hdl: CDT-RIPE
mnt-by: CDT-MNT
created: 2004-01-26T14:58:45Z
last-modified: 2022-10-04T10:12:54Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)


% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Information related to 'AS25512'

% Abuse contact for 'AS25512' is '[email protected]'

aut-num: AS25512
as-name: CDT-AS
descr: The Czech Republic
org: ORG-CTa3-RIPE
remarks: # TRANSIT
import: from AS1299 accept ANY # TELIA
export: to AS1299 announce AS-CDT-NETWORKS
import: from AS174 accept ANY # COGENT
export: to AS174 announce AS-CDT-NETWORKS
remarks: # Peering
import: from AS6881 accept ANY # NIXCZ
export: to AS6881 announce AS-CDT-NETWORKS
import: from AS47200 accept ANY # NIX Routeservers
export: to AS47200 announce ANY
import: from AS47627 accept ANY # NIXSK Routeservers
export: to AS47627 announce ANY
remarks: # CUSTOMERS
import: from AS6881 accept ANY # NIX
export: to AS6881 announce ANY
import: from AS21241 accept ANY # MUZO
export: to AS21241 announce ANY
import: from AS34040 accept ANY # TTNET
export: to AS34040 announce ANY
import: from AS35046 accept ANY # Omega
export: to AS35046 announce ANY
import: from AS43507 accept ANY # RETE
export: to AS43507 announce ANY
import: from AS44424 accept ANY # MALL
export: to AS44424 announce ANY
import: from AS47767 accept ANY # RCO
export: to AS47767 announce ANY
import: from AS47868 accept ANY # SUPRO
export: to AS47868 announce ANY
import: from AS48417 accept ANY # ITS
export: to AS48417 announce ANY
import: from AS56450 accept ANY # ALBERON
export: to AS56450 announce ANY
import: from AS197550 accept ANY # INTERNET4YOU
export: to AS197550 announce ANY
import: from AS49101 accept ANY # KTCZ
export: to AS49101 announce ANY
import: from AS51524 accept ANY # ATESACEK
export: to AS51524 announce ANY
import: from AS56827 accept ANY # MIRNET SRO
export: to AS56827 announce ANY
import: from AS198403 accept ANY # MATRIGO
export: to AS198403 announce ANY
import: from AS56717 accept ANY # RESAL
export: to AS56717 announce ANY
import: from AS197698 accept ANY # D-H-T
export: to AS197698 announce ANY
import: from AS47131 accept ANY # PHSPOL
export: to AS47131 announce ANY
import: from AS43614 accept ANY # ECONOMIA
export: to AS43614 announce ANY
import: from AS56456 accept ANY # C2NET
export: to AS56456 announce ANY
import: from AS20708 accept ANY # SKODA AUTO a.s.
export: to AS20708 announce ANY
import: from AS62178 accept ANY # MASTER IT
export: to AS62178 announce ANY
import: from AS49488 accept ANY # TLD via NIX
export: to AS49488 announce ANY
import: from AS60275 accept ANY # RVTECH
export: to AS60275 announce ANY
import: from AS3161 accept ANY # IT Profi Vimperk
export: to AS3161 announce ANY
import: from AS20609 accept ANY # Kaza
export: to AS20609 announce ANY
import: from AS30738 accept ANY # Netart
export: to AS30738 announce ANY
import: from AS50975 accept ANY # AVX_AS
export: to AS50975 announce ANY
import: from AS62159 accept ANY # HAPPY Technik
export: to AS62159 announce ANY
import: from AS197019 accept ANY # Wedos
export: to AS197019 announce ANY
import: from AS200155 accept ANY # TCPISEK-CZ
export: to AS200155 announce ANY
import: from AS200355 accept ANY # CADCANET
export: to AS200355 announce ANY
import: from AS201457 accept ANY # KOOPERATIVA-AS
export: to AS201457 announce ANY
import: from AS42908 accept ANY # AS-NORDICTELECOM
export: to AS42908 announce ANY
import: from AS213387 accept ANY # TESUNET
export: to AS213387 announce ANY
remarks: End of list
admin-c: CDT-RIPE
tech-c: CDT-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CDT-MNT
created: 2002-12-17T14:28:40Z
last-modified: 2021-05-10T06:59:39Z
source: RIPE

organisation: ORG-CTa3-RIPE
org-name: CD-Telematika a.s.
country: CZ
org-type: LIR
address: Pernerova 2819/2a
address: 130 00,
address: Praha 3
address: CZECH REPUBLIC
phone: +420210021695
fax-no: +420210021610
e-mail: [email protected]
admin-c: CJ167-RIPE
admin-c: PL1116-RIPE
abuse-c: CDT-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CDT-MNT
notify: [email protected]
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CDT-MNT
created: 2004-04-17T11:04:09Z
last-modified: 2023-12-20T07:04:08Z
source: RIPE

role: CDT hostmaster
address: CD-Telematika a.s.
address: Pod Taborem 6
address: Praha 9
address: 191 00
address: The Czech Republic
phone: +420 210021 685
fax-no: +420 210021 699
e-mail: [email protected]
remarks: --------------------------------------------------
remarks: abuse and spam reports please mail to [email protected]
remarks:
remarks: peering and technical communication
remarks: mail to ip(at)cdt.cz
remarks: --------------------------------------------------
admin-c: PL1116-RIPE
admin-c: CJ167-RIPE
admin-c: ZP642-RIPE
tech-c: PL1116-RIPE
tech-c: CJ167-RIPE
tech-c: ZP642-RIPE
abuse-mailbox: [email protected]
nic-hdl: CDT-RIPE
mnt-by: CDT-MNT
created: 2004-01-26T14:58:45Z
last-modified: 2022-10-04T10:12:54Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)


IX

Country
IX
IPv4
IPv6
Port Speed
Czech RepublicNIX.CZ91.210.16.100100 Gbps
Czech RepublicNIX.CZ91.210.16.101100 Gbps
SlovakiaNIX.SK194.30.187.10010 Gbps
  • 1
Country
IX
IPv4
IPv6
Port Speed
Czech RepublicNIX.CZ91.210.16.100100 Gbps
Czech RepublicNIX.CZ91.210.16.101100 Gbps
SlovakiaNIX.SK194.30.187.10010 Gbps
  • 1
Related Networks
  • AS25464
    Telesign Mobile Limited
  • AS25491
    Basic ISP s.a.r.l.
  • AS25503
    Odessa National Polytechnic University
  • AS25508
    ARQUIA BANK SA.
  • AS25510
    PJSC Rostelecom
  • AS25513
    PJSC Moscow city telephone network
  • AS25525
    Amsterdam, the Netherlands
  • AS25529
    SOKIL LTD
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
IP.CC

An API to build on security, web personalization, marketing, and more

For the financial services sector and FinTech companies, IP.CC is an invaluable tool. Our clients in the financial industry love what we do, and we're excited to show you why.
IP.CC

Our IP Tools

Explore all toolsIP.CC
  • IP.CCPing

    Ping is a free tool to help you find IP addresses that can be pinged using the ICMP protocol. You can either lookup up an IP address or a CIDR block.

    Try PingIP.CC
  • IP.CCDNS

    DNS is a technique used to determine the hostname associated with an IP address. This is done searching hostname registry and registrar tables for PTR records.

    Try DNSIP.CC
  • IP.CCPort

    Port is a free tool for detecting open ports on your device. It automatically detects IP-address and scans your device, identifying open and vulnerable ports through which hackers.

    Try PortIP.CC
Frequently Asked Question