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IP address details
AS21574
Century Telecom Ltda·www.century.net.br
IP address details
AS21574
Century Telecom Ltda·www.century.net.br
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS21574
  • Org Name
    Century Telecom Ltda
  • Country
    Brazil
  • Country Code
    BR
  • Website
    www.century.net.br
  • Regional Registry
    Lacnic
  • Allocated Date
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    5
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    109
  • Ipv6 Peers
    90
  • Ipv4 Upstreams
    5
  • Ipv6 Upstreams
    4

Prefixes

There are 5 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
Brazil168.227.200.0/22
Century Telecom Ltda
--Lacnic
countries.186.249.224.0/20
--Lacnic
countries.187.1.176.0/20
--Lacnic
countries.187.1.178.0/24
187.1.176.0/20Lacnic
countries.200.169.0.0/20
--Lacnic
  • 1
IP Ranges API
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IP Ranges APIIP.CC
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IP Ranges APIIP.CC

Peers

There are 109 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS1031
PEER 1031 LLC
false
AS12552
false
AS13335
true
AS13786
Seabras 1 USA, LLC
true
AS16735
true
AS174
true
AS18106
true
BrazilAS20044
S/A ESTADO DE MINAS
true
AS22652
true
BrazilAS262268
MAX NET TELECOMUNICACOES
false
BrazilAS262306
Condax Tecnologia Ltda.
true
BrazilAS262387
Intermicro Ltda
true
BrazilAS262428
LINK 10
true
BrazilAS262566
Link Sete Servicos de Internet e Redes Ltda
true
BrazilAS262624
INETSAFE COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDA
true
AS262663
false
BrazilAS262674
Conquest Telecomunicai¿½i¿½es Ltda
true
BrazilAS262767
Avelino e Rodrigues LTDA
false
BrazilAS262895
Norte Line Telecomunicacoes Ltda.
true
BrazilAS262948
LD Telecomunicai¿½i¿½es LTDA
false
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
ASN data
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Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
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 APIIP.CCASN DatabaseIP.CC

Upstream

There are 5 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS1031
PEER 1031 LLC
false
AS13786
Seabras 1 USA, LLC
true
AS174
true
AS3356
true
AS6939
false
  • 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 APIIP.CCASN DatabaseIP.CC
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 APIIP.CCASN DatabaseIP.CC

Downstream

There are 88 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS13335
true
BrazilAS20044
S/A ESTADO DE MINAS
true
BrazilAS262268
MAX NET TELECOMUNICACOES
false
BrazilAS262306
Condax Tecnologia Ltda.
true
BrazilAS262387
Intermicro Ltda
true
BrazilAS262428
LINK 10
true
BrazilAS262566
Link Sete Servicos de Internet e Redes Ltda
true
BrazilAS262624
INETSAFE COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDA
true
AS262663
false
BrazilAS262674
Conquest Telecomunicai¿½i¿½es Ltda
true
BrazilAS262767
Avelino e Rodrigues LTDA
false
BrazilAS262895
Norte Line Telecomunicacoes Ltda.
true
BrazilAS262948
LD Telecomunicai¿½i¿½es LTDA
false
BrazilAS263277
Rnet Informi¿½tica Ltda
true
BrazilAS263356
CNT Fiber
true
BrazilAS263475
Guara Digital LTDA
false
BrazilAS263591
Stone Telecomunicai¿½i¿½es LTDA ME
true
BrazilAS264014
Led Internet Eireli
true
BrazilAS264374
NCA Tecnologia Ltda
true
BrazilAS264455
STAR MAN NET PROVEDORA DE INTERNET LTDA - EPP
true
  • 1
  • 2
  • 3
  • 4
  • 5
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 APIIP.CCASN DatabaseIP.CC
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 APIIP.CCASN DatabaseIP.CC

Graphs

AS21574 Combined Upstream Graph AS21574 AS21574 AS174 AS174 AS21574->AS174 AS202 AS202 AS21574->AS202 AS3356 AS3356 AS21574->AS3356 AS13786 AS13786 AS21574->AS13786 AS52320 AS52320 AS21574->AS52320 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS701 AS701 AS174->AS701 AS202->AS3356 AS3356->AS1239 AS3356->AS3257 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914 AS2914 AS13786->AS2914 AS52320->AS2914 AS1299 AS1299 AS52320->AS1299 AS6461 AS6461 AS52320->AS6461 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS1299->AS3356 AS1299->AS3257 AS6461->AS1239
AS21574 Combined Upstream Graph AS21574 AS21574 AS174 AS174 AS21574->AS174 AS202 AS202 AS21574->AS202 AS3356 AS3356 AS21574->AS3356 AS13786 AS13786 AS21574->AS13786 AS52320 AS52320 AS21574->AS52320 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS701 AS701 AS174->AS701 AS202->AS3356 AS3356->AS1239 AS3356->AS3257 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914 AS2914 AS13786->AS2914 AS52320->AS2914 AS1299 AS1299 AS52320->AS1299 AS6461 AS6461 AS52320->AS6461 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS1299->AS3356 AS1299->AS3257 AS6461->AS1239

World Map

WHOIS Details


% IP Client: 2a10:b641:57:2988:212:811f:9fc4:164
% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2025-07-02T05:20:21-03:00 - 2a10:b641:57:2988:212:811f:9fc4:164

aut-num: AS21574
owner: Century Telecom Ltda
ownerid: 01.492.641/0001-73
responsible: Fernando Antonio Barbosa
country: BR
owner-c: DCT38
routing-c: DCT38
abuse-c: ACTLT99
created: 20010607
changed: 20200610
inetnum: 200.169.0.0/20
inetnum: 187.1.176.0/20
inetnum: 186.249.224.0/20
inetnum: 2804:23ec::/32
inetnum: 168.227.200.0/22
as-in: from AS262306 300 accept AS262306
as-in: from AS264552 300 accept AS264552
as-in: from AS262805 300 accept AS262805
as-in: from AS262566 300 accept AS262566
as-in: from AS52596 300 accept AS52596
as-in: from AS263632 300 accept AS263632
as-in: from AS264421 300 accept AS264421
as-in: from AS264228 300 accept AS264228
as-in: from AS262525 300 accept AS262525
as-in: from AS52809 300 accept AS52809
as-in: from AS61707 300 accept AS61707
as-in: from AS52883 300 accept AS52883
as-in: from AS264540 300 accept AS264540
as-in: from AS262624 300 accept AS262624
as-in: from AS52947 300 accept AS52947
as-in: from AS263453 300 accept AS263453
as-in: from AS262961 300 accept AS262961
as-in: from AS263666 300 accept AS263666
as-in: from AS265185 300 accept AS265185
as-in: from AS52758 300 accept AS52758
as-in: from AS264325 300 accept AS264325
as-in: from AS262336 300 accept AS262336
as-in: from AS262602 300 accept AS262602
as-in: from AS263432 300 accept AS263432
as-in: from AS52596 300 accept AS52596
as-out: to AS3549 announce AS21574
as-out: to AS16735 announce AS21574
as-out: to AS262589 announce AS21574
as-out: to AS28360 announce AS21574

nic-hdl-br: DCT38
person: Dominios Corporativos Century Telecom
e-mail: [email protected]
country: BR
created: 20040624
changed: 20181206

nic-hdl-br: ACTLT99
person: Abuse Century Telecom Ltda
e-mail: [email protected]
country: BR
created: 20200610
changed: 20200610

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to [email protected] and [email protected]
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.


% IP Client: 2a10:b641:57:2988:212:811f:9fc4:164
% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2025-07-02T05:20:21-03:00 - 2a10:b641:57:2988:212:811f:9fc4:164

aut-num: AS21574
owner: Century Telecom Ltda
ownerid: 01.492.641/0001-73
responsible: Fernando Antonio Barbosa
country: BR
owner-c: DCT38
routing-c: DCT38
abuse-c: ACTLT99
created: 20010607
changed: 20200610
inetnum: 200.169.0.0/20
inetnum: 187.1.176.0/20
inetnum: 186.249.224.0/20
inetnum: 2804:23ec::/32
inetnum: 168.227.200.0/22
as-in: from AS262306 300 accept AS262306
as-in: from AS264552 300 accept AS264552
as-in: from AS262805 300 accept AS262805
as-in: from AS262566 300 accept AS262566
as-in: from AS52596 300 accept AS52596
as-in: from AS263632 300 accept AS263632
as-in: from AS264421 300 accept AS264421
as-in: from AS264228 300 accept AS264228
as-in: from AS262525 300 accept AS262525
as-in: from AS52809 300 accept AS52809
as-in: from AS61707 300 accept AS61707
as-in: from AS52883 300 accept AS52883
as-in: from AS264540 300 accept AS264540
as-in: from AS262624 300 accept AS262624
as-in: from AS52947 300 accept AS52947
as-in: from AS263453 300 accept AS263453
as-in: from AS262961 300 accept AS262961
as-in: from AS263666 300 accept AS263666
as-in: from AS265185 300 accept AS265185
as-in: from AS52758 300 accept AS52758
as-in: from AS264325 300 accept AS264325
as-in: from AS262336 300 accept AS262336
as-in: from AS262602 300 accept AS262602
as-in: from AS263432 300 accept AS263432
as-in: from AS52596 300 accept AS52596
as-out: to AS3549 announce AS21574
as-out: to AS16735 announce AS21574
as-out: to AS262589 announce AS21574
as-out: to AS28360 announce AS21574

nic-hdl-br: DCT38
person: Dominios Corporativos Century Telecom
e-mail: [email protected]
country: BR
created: 20040624
changed: 20181206

nic-hdl-br: ACTLT99
person: Abuse Century Telecom Ltda
e-mail: [email protected]
country: BR
created: 20200610
changed: 20200610

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to [email protected] and [email protected]
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

IX

Country
IX
IPv4
IPv6
Port Speed
BrazilIX.br (PTT.br) São Paulo187.16.222.134
2001:12f8::222:134
100 Gbps
BrazilIX.br (PTT.br) Belo Horizonte200.219.139.117
2001:12f8:0:3::117
10 Gbps
BrazilIX.br (PTT.br) Rio de Janeiro45.6.53.164
2001:12f8:0:2::53:164
10 Gbps
United StatesNYIIX New York198.32.160.229
2001:504:1::a502:1574:1
2 Gbps
GermanyDE-CIX Frankfurt80.81.196.100
2001:7f8::5446:0:1
2 Gbps
NetherlandsAMS-IX80.249.211.179
2001:7f8:1::a502:1574:1
1 Gbps
BrazilIX.br (PTT.br) São Paulo187.16.216.26
2001:12f8::26
100 Gbps
BrazilIX.br (PTT.br) Curitiba200.219.140.11
2001:12f8:0:4::11
10 Gbps
BrazilIX.br (PTT.br) Fortaleza45.184.145.63
2001:12f8:0:9::145:63
5 Gbps
BrazilIX.br (PTT.br) Porto Alegre177.52.39.32
2001:12f8:0:6::2:1574
10 Gbps
BrazilIX.br (PTT.br) Florianópolis200.219.141.115
2001:12f8:0:5::115
10 Gbps
BrazilIX.br (PTT.br) Campinas200.192.108.8
2001:12f8:0:11::8
10 Gbps
BrazilEquinix São Paulo64.191.232.220
2001:504:0:7:0:2:1574:1
10 Gbps
  • 1
Country
IX
IPv4
IPv6
Port Speed
BrazilIX.br (PTT.br) São Paulo187.16.222.134
2001:12f8::222:134
100 Gbps
BrazilIX.br (PTT.br) Belo Horizonte200.219.139.117
2001:12f8:0:3::117
10 Gbps
BrazilIX.br (PTT.br) Rio de Janeiro45.6.53.164
2001:12f8:0:2::53:164
10 Gbps
United StatesNYIIX New York198.32.160.229
2001:504:1::a502:1574:1
2 Gbps
GermanyDE-CIX Frankfurt80.81.196.100
2001:7f8::5446:0:1
2 Gbps
NetherlandsAMS-IX80.249.211.179
2001:7f8:1::a502:1574:1
1 Gbps
BrazilIX.br (PTT.br) São Paulo187.16.216.26
2001:12f8::26
100 Gbps
BrazilIX.br (PTT.br) Curitiba200.219.140.11
2001:12f8:0:4::11
10 Gbps
BrazilIX.br (PTT.br) Fortaleza45.184.145.63
2001:12f8:0:9::145:63
5 Gbps
BrazilIX.br (PTT.br) Porto Alegre177.52.39.32
2001:12f8:0:6::2:1574
10 Gbps
BrazilIX.br (PTT.br) Florianópolis200.219.141.115
2001:12f8:0:5::115
10 Gbps
BrazilIX.br (PTT.br) Campinas200.192.108.8
2001:12f8:0:11::8
10 Gbps
BrazilEquinix São Paulo64.191.232.220
2001:504:0:7:0:2:1574:1
10 Gbps
  • 1
IP.CC
Search
IP address details
AS21574
Century Telecom Ltda·www.century.net.br
IP address details
AS21574
Century Telecom Ltda·www.century.net.br

Summary

  • As Number
    AS21574
  • Org Name
    Century Telecom Ltda
  • Country
    Brazil
  • Country Code
    BR
  • Website
    www.century.net.br
  • Regional Registry
    Lacnic
  • Allocated Date
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    5
  • Ipv6 Prefixes
    1
  • Ipv4 Peers
    109
  • Ipv6 Peers
    90
  • Ipv4 Upstreams
    5
  • Ipv6 Upstreams
    4

Prefixes

There are 5 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
Brazil168.227.200.0/22
Century Telecom Ltda
--Lacnic
countries.186.249.224.0/20
--Lacnic
countries.187.1.176.0/20
--Lacnic
countries.187.1.178.0/24
187.1.176.0/20Lacnic
countries.200.169.0.0/20
--Lacnic
  • 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 APIIP.CC
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 APIIP.CC

Peers

There are 109 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS1031
PEER 1031 LLC
false
AS12552
false
AS13335
true
AS13786
Seabras 1 USA, LLC
true
AS16735
true
AS174
true
AS18106
true
BrazilAS20044
S/A ESTADO DE MINAS
true
AS22652
true
BrazilAS262268
MAX NET TELECOMUNICACOES
false
BrazilAS262306
Condax Tecnologia Ltda.
true
BrazilAS262387
Intermicro Ltda
true
BrazilAS262428
LINK 10
true
BrazilAS262566
Link Sete Servicos de Internet e Redes Ltda
true
BrazilAS262624
INETSAFE COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDA
true
AS262663
false
BrazilAS262674
Conquest Telecomunicai¿½i¿½es Ltda
true
BrazilAS262767
Avelino e Rodrigues LTDA
false
BrazilAS262895
Norte Line Telecomunicacoes Ltda.
true
BrazilAS262948
LD Telecomunicai¿½i¿½es LTDA
false
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
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 APIIP.CCASN DatabaseIP.CC
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 APIIP.CCASN DatabaseIP.CC

Upstream

There are 5 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS1031
PEER 1031 LLC
false
AS13786
Seabras 1 USA, LLC
true
AS174
true
AS3356
true
AS6939
false
  • 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 APIIP.CCASN DatabaseIP.CC
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 APIIP.CCASN DatabaseIP.CC

Downstream

There are 88 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS13335
true
BrazilAS20044
S/A ESTADO DE MINAS
true
BrazilAS262268
MAX NET TELECOMUNICACOES
false
BrazilAS262306
Condax Tecnologia Ltda.
true
BrazilAS262387
Intermicro Ltda
true
BrazilAS262428
LINK 10
true
BrazilAS262566
Link Sete Servicos de Internet e Redes Ltda
true
BrazilAS262624
INETSAFE COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDA
true
AS262663
false
BrazilAS262674
Conquest Telecomunicai¿½i¿½es Ltda
true
BrazilAS262767
Avelino e Rodrigues LTDA
false
BrazilAS262895
Norte Line Telecomunicacoes Ltda.
true
BrazilAS262948
LD Telecomunicai¿½i¿½es LTDA
false
BrazilAS263277
Rnet Informi¿½tica Ltda
true
BrazilAS263356
CNT Fiber
true
BrazilAS263475
Guara Digital LTDA
false
BrazilAS263591
Stone Telecomunicai¿½i¿½es LTDA ME
true
BrazilAS264014
Led Internet Eireli
true
BrazilAS264374
NCA Tecnologia Ltda
true
BrazilAS264455
STAR MAN NET PROVEDORA DE INTERNET LTDA - EPP
true
  • 1
  • 2
  • 3
  • 4
  • 5
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 APIIP.CCASN DatabaseIP.CC
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 APIIP.CCASN DatabaseIP.CC

Graphs

AS21574 Combined Upstream Graph AS21574 AS21574 AS174 AS174 AS21574->AS174 AS202 AS202 AS21574->AS202 AS3356 AS3356 AS21574->AS3356 AS13786 AS13786 AS21574->AS13786 AS52320 AS52320 AS21574->AS52320 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS701 AS701 AS174->AS701 AS202->AS3356 AS3356->AS1239 AS3356->AS3257 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914 AS2914 AS13786->AS2914 AS52320->AS2914 AS1299 AS1299 AS52320->AS1299 AS6461 AS6461 AS52320->AS6461 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS1299->AS3356 AS1299->AS3257 AS6461->AS1239
AS21574 Combined Upstream Graph AS21574 AS21574 AS174 AS174 AS21574->AS174 AS202 AS202 AS21574->AS202 AS3356 AS3356 AS21574->AS3356 AS13786 AS13786 AS21574->AS13786 AS52320 AS52320 AS21574->AS52320 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS701 AS701 AS174->AS701 AS202->AS3356 AS3356->AS1239 AS3356->AS3257 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914 AS2914 AS13786->AS2914 AS52320->AS2914 AS1299 AS1299 AS52320->AS1299 AS6461 AS6461 AS52320->AS6461 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS1299->AS3356 AS1299->AS3257 AS6461->AS1239

World Map

WHOIS Details


% IP Client: 2a10:b641:57:2988:212:811f:9fc4:164
% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2025-07-02T05:20:21-03:00 - 2a10:b641:57:2988:212:811f:9fc4:164

aut-num: AS21574
owner: Century Telecom Ltda
ownerid: 01.492.641/0001-73
responsible: Fernando Antonio Barbosa
country: BR
owner-c: DCT38
routing-c: DCT38
abuse-c: ACTLT99
created: 20010607
changed: 20200610
inetnum: 200.169.0.0/20
inetnum: 187.1.176.0/20
inetnum: 186.249.224.0/20
inetnum: 2804:23ec::/32
inetnum: 168.227.200.0/22
as-in: from AS262306 300 accept AS262306
as-in: from AS264552 300 accept AS264552
as-in: from AS262805 300 accept AS262805
as-in: from AS262566 300 accept AS262566
as-in: from AS52596 300 accept AS52596
as-in: from AS263632 300 accept AS263632
as-in: from AS264421 300 accept AS264421
as-in: from AS264228 300 accept AS264228
as-in: from AS262525 300 accept AS262525
as-in: from AS52809 300 accept AS52809
as-in: from AS61707 300 accept AS61707
as-in: from AS52883 300 accept AS52883
as-in: from AS264540 300 accept AS264540
as-in: from AS262624 300 accept AS262624
as-in: from AS52947 300 accept AS52947
as-in: from AS263453 300 accept AS263453
as-in: from AS262961 300 accept AS262961
as-in: from AS263666 300 accept AS263666
as-in: from AS265185 300 accept AS265185
as-in: from AS52758 300 accept AS52758
as-in: from AS264325 300 accept AS264325
as-in: from AS262336 300 accept AS262336
as-in: from AS262602 300 accept AS262602
as-in: from AS263432 300 accept AS263432
as-in: from AS52596 300 accept AS52596
as-out: to AS3549 announce AS21574
as-out: to AS16735 announce AS21574
as-out: to AS262589 announce AS21574
as-out: to AS28360 announce AS21574

nic-hdl-br: DCT38
person: Dominios Corporativos Century Telecom
e-mail: [email protected]
country: BR
created: 20040624
changed: 20181206

nic-hdl-br: ACTLT99
person: Abuse Century Telecom Ltda
e-mail: [email protected]
country: BR
created: 20200610
changed: 20200610

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to [email protected] and [email protected]
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.


% IP Client: 2a10:b641:57:2988:212:811f:9fc4:164
% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2025-07-02T05:20:21-03:00 - 2a10:b641:57:2988:212:811f:9fc4:164

aut-num: AS21574
owner: Century Telecom Ltda
ownerid: 01.492.641/0001-73
responsible: Fernando Antonio Barbosa
country: BR
owner-c: DCT38
routing-c: DCT38
abuse-c: ACTLT99
created: 20010607
changed: 20200610
inetnum: 200.169.0.0/20
inetnum: 187.1.176.0/20
inetnum: 186.249.224.0/20
inetnum: 2804:23ec::/32
inetnum: 168.227.200.0/22
as-in: from AS262306 300 accept AS262306
as-in: from AS264552 300 accept AS264552
as-in: from AS262805 300 accept AS262805
as-in: from AS262566 300 accept AS262566
as-in: from AS52596 300 accept AS52596
as-in: from AS263632 300 accept AS263632
as-in: from AS264421 300 accept AS264421
as-in: from AS264228 300 accept AS264228
as-in: from AS262525 300 accept AS262525
as-in: from AS52809 300 accept AS52809
as-in: from AS61707 300 accept AS61707
as-in: from AS52883 300 accept AS52883
as-in: from AS264540 300 accept AS264540
as-in: from AS262624 300 accept AS262624
as-in: from AS52947 300 accept AS52947
as-in: from AS263453 300 accept AS263453
as-in: from AS262961 300 accept AS262961
as-in: from AS263666 300 accept AS263666
as-in: from AS265185 300 accept AS265185
as-in: from AS52758 300 accept AS52758
as-in: from AS264325 300 accept AS264325
as-in: from AS262336 300 accept AS262336
as-in: from AS262602 300 accept AS262602
as-in: from AS263432 300 accept AS263432
as-in: from AS52596 300 accept AS52596
as-out: to AS3549 announce AS21574
as-out: to AS16735 announce AS21574
as-out: to AS262589 announce AS21574
as-out: to AS28360 announce AS21574

nic-hdl-br: DCT38
person: Dominios Corporativos Century Telecom
e-mail: [email protected]
country: BR
created: 20040624
changed: 20181206

nic-hdl-br: ACTLT99
person: Abuse Century Telecom Ltda
e-mail: [email protected]
country: BR
created: 20200610
changed: 20200610

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to [email protected] and [email protected]
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

IX

Country
IX
IPv4
IPv6
Port Speed
BrazilIX.br (PTT.br) São Paulo187.16.222.134
2001:12f8::222:134
100 Gbps
BrazilIX.br (PTT.br) Belo Horizonte200.219.139.117
2001:12f8:0:3::117
10 Gbps
BrazilIX.br (PTT.br) Rio de Janeiro45.6.53.164
2001:12f8:0:2::53:164
10 Gbps
United StatesNYIIX New York198.32.160.229
2001:504:1::a502:1574:1
2 Gbps
GermanyDE-CIX Frankfurt80.81.196.100
2001:7f8::5446:0:1
2 Gbps
NetherlandsAMS-IX80.249.211.179
2001:7f8:1::a502:1574:1
1 Gbps
BrazilIX.br (PTT.br) São Paulo187.16.216.26
2001:12f8::26
100 Gbps
BrazilIX.br (PTT.br) Curitiba200.219.140.11
2001:12f8:0:4::11
10 Gbps
BrazilIX.br (PTT.br) Fortaleza45.184.145.63
2001:12f8:0:9::145:63
5 Gbps
BrazilIX.br (PTT.br) Porto Alegre177.52.39.32
2001:12f8:0:6::2:1574
10 Gbps
BrazilIX.br (PTT.br) Florianópolis200.219.141.115
2001:12f8:0:5::115
10 Gbps
BrazilIX.br (PTT.br) Campinas200.192.108.8
2001:12f8:0:11::8
10 Gbps
BrazilEquinix São Paulo64.191.232.220
2001:504:0:7:0:2:1574:1
10 Gbps
  • 1
Country
IX
IPv4
IPv6
Port Speed
BrazilIX.br (PTT.br) São Paulo187.16.222.134
2001:12f8::222:134
100 Gbps
BrazilIX.br (PTT.br) Belo Horizonte200.219.139.117
2001:12f8:0:3::117
10 Gbps
BrazilIX.br (PTT.br) Rio de Janeiro45.6.53.164
2001:12f8:0:2::53:164
10 Gbps
United StatesNYIIX New York198.32.160.229
2001:504:1::a502:1574:1
2 Gbps
GermanyDE-CIX Frankfurt80.81.196.100
2001:7f8::5446:0:1
2 Gbps
NetherlandsAMS-IX80.249.211.179
2001:7f8:1::a502:1574:1
1 Gbps
BrazilIX.br (PTT.br) São Paulo187.16.216.26
2001:12f8::26
100 Gbps
BrazilIX.br (PTT.br) Curitiba200.219.140.11
2001:12f8:0:4::11
10 Gbps
BrazilIX.br (PTT.br) Fortaleza45.184.145.63
2001:12f8:0:9::145:63
5 Gbps
BrazilIX.br (PTT.br) Porto Alegre177.52.39.32
2001:12f8:0:6::2:1574
10 Gbps
BrazilIX.br (PTT.br) Florianópolis200.219.141.115
2001:12f8:0:5::115
10 Gbps
BrazilIX.br (PTT.br) Campinas200.192.108.8
2001:12f8:0:11::8
10 Gbps
BrazilEquinix São Paulo64.191.232.220
2001:504:0:7:0:2:1574:1
10 Gbps
  • 1
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    insiteOne
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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.
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