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IP address details
AS4538
China Education and Research Network Center ·www.edu.cn
IP address details
AS4538
China Education and Research Network Center ·www.edu.cn
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS4538
  • Org Name
    China Education and Research Network Center
  • Country
    China
  • Country Code
    CN
  • Website
    www.edu.cn
  • Regional Registry
    APNIC
  • Allocated Date
    1st August 2002
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    5112
  • Ipv6 Prefixes
    5732
  • Ipv4 Peers
    41
  • Ipv6 Peers
    8
  • Ipv4 Upstreams
    11
  • Ipv6 Upstreams
    2

Prefixes

There are 5112 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
China1.184.0.0/15
China Education and Research Network
--APNIC
China1.184.192.0/18
China Education and Research Network
1.184.0.0/15APNIC
China1.185.0.0/18
China Education and Research Network
1.184.0.0/15APNIC
China1.185.192.0/18
China Education and Research Network
1.184.0.0/15APNIC
China1.185.64.0/19
China Education and Research Network
1.184.0.0/15APNIC
China1.51.0.0/16
China Education and Research Network
--APNIC
China1.51.0.0/17
China Education and Research Network
1.51.0.0/16APNIC
China1.51.112.0/24
China Education and Research Network
1.51.0.0/16APNIC
China1.51.120.0/21
China Education and Research Network
1.51.0.0/16APNIC
China1.51.128.0/17
China Education and Research Network
1.51.0.0/16APNIC
China1.51.144.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.16.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.160.0/21
China Education and Research Network
1.51.0.0/16APNIC
China1.51.168.0/21
China Education and Research Network
1.51.0.0/16APNIC
China1.51.176.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.192.0/18
China Education and Research Network
1.51.0.0/16APNIC
China1.51.32.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.48.0/21
China Education and Research Network
1.51.0.0/16APNIC
China101.4.0.0/14
China Education and Research Network
--APNIC
China101.4.0.0/20
China Education and Research Network
101.4.0.0/14APNIC
  • 1
  • 2
  • 3
  • 4
  • 5
  • 256
IP Ranges API
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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 41 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
SwedenAS1299
Arelion, f/k/a Telia Carrier
false
AS131578
Beijing Foreign Studies University
false
ChinaAS133111
CERNET New Technology Co., Ltd
false
ChinaAS133465
Duke Kunshan University
false
ChinaAS138369
CERNET2 regional IX at Shenzhen University
false
AS138371
CERNET2 regional IX at Ocean University of China
false
AS138378
CERNET2 regional IX at Yunnan University
false
ChinaAS138393
CERNET2 regional IX at Guangxi University
false
AS139139
Shenyang Agricultural University
false
Hong KongAS140570
Hong Kong Beecloud System Technology Services Limited
false
United StatesAS174
Cogent Communications
true
Hong KongAS23764
CTGNet
false
ChinaAS23911
China Next Generation Internet Beijing IX
true
ChinaAS24348
CERNET2 IX at Tsinghua University
true
AS24349
CERNET2 IX at Peking University
false
AS24350
CERNET2 IX at Beijing University of Posts and Telecommunications
false
AS24352
CERNET2 IX at Tianjin University
false
AS24353
CERNET2 IX at Xi'an Jiaotong University
false
AS24355
CERNET2 IX at University of Electronic Science and Technology of China
false
AS24356
CERNET2 IX at Chongqing University
false
  • 1
  • 2
  • 3
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 11 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
SwedenAS1299
Arelion, f/k/a Telia Carrier
false
Hong KongAS140570
Hong Kong Beecloud System Technology Services Limited
false
United StatesAS174
Cogent Communications
false
Hong KongAS23764
CTGNet
false
United StatesAS2914
NTT America, Inc.
false
United StatesAS3491
PCCW Global, Inc.
false
ChinaAS4789
NAP1 at CERNET
false
ChinaAS4837
CHINA UNICOM China169 Backbone
true
Hong KongAS58453
China Mobile International Limited
false
United StatesAS6453
TATA COMMUNICATIONS (AMERICA) INC
false
United StatesAS6939
Hurricane Electric LLC
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 7 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS131578
Beijing Foreign Studies University
false
ChinaAS133111
CERNET New Technology Co., Ltd
false
ChinaAS133465
Duke Kunshan University
false
ChinaAS138369
CERNET2 regional IX at Shenzhen University
false
AS139139
Shenyang Agricultural University
false
ChinaAS24348
CERNET2 IX at Tsinghua University
false
AS9405
Test platform Service Center
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

Graphs

AS4538 Combined Upstream Graph AS4538 AS4538 AS174 AS174 AS4538->AS174 AS1299 AS1299 AS4538->AS1299 AS2914 AS2914 AS4538->AS2914 AS3491 AS3491 AS4538->AS3491 AS4789 AS4789 AS4538->AS4789 AS4837 AS4837 AS4538->AS4837 AS6453 AS6453 AS4538->AS6453 AS6939 AS6939 AS4538->AS6939 AS23764 AS23764 AS4538->AS23764 AS58453 AS58453 AS4538->AS58453 AS140570 AS140570 AS4538->AS140570 AS23910 AS23910 AS4538->AS23910 AS174->AS1299 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS5511 AS5511 AS174->AS5511 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS1299->AS7018 AS2914->AS174 AS2914->AS1299 AS2914->AS3356 AS2914->AS1239 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS2914->AS5511 AS6461 AS6461 AS2914->AS6461 AS3491->AS174 AS3491->AS1299 AS3491->AS2914 AS3491->AS6453 AS3491->AS3356 AS3491->AS1239 AS3491->AS3257 AS3491->AS7018 AS3491->AS2497 AS3491->AS6461 AS4789->AS4837 AS4837->AS2497 AS6453->AS174 AS6453->AS1299 AS6453->AS2914 AS6453->AS3356 AS6453->AS1239 AS6453->AS3257 AS6453->AS7018 AS6453->AS2497 AS6453->AS6461 AS6939->AS3356 AS6939->AS1239 AS6939->AS3257 AS6939->AS7018 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS23764->AS174 AS23764->AS1299 AS23764->AS2914 AS23764->AS6453 AS23764->AS3356 AS23764->AS1239 AS23764->AS3257 AS58453->AS174 AS58453->AS1299 AS58453->AS2914 AS58453->AS3356 AS58453->AS1239 AS58453->AS3257 AS58453->AS2497 AS58453->AS6461 AS140570->AS174 AS140570->AS1299 AS140570->AS2914 AS9886 AS9886 AS140570->AS9886 AS23911 AS23911 AS23910->AS23911 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS3257->AS1299 AS3257->AS2914 AS3257->AS7018 AS9886->AS3491 AS9002 AS9002 AS9886->AS9002 AS9002->AS3356 AS23911->AS6939
AS4538 Combined Upstream Graph AS4538 AS4538 AS174 AS174 AS4538->AS174 AS1299 AS1299 AS4538->AS1299 AS2914 AS2914 AS4538->AS2914 AS3491 AS3491 AS4538->AS3491 AS4789 AS4789 AS4538->AS4789 AS4837 AS4837 AS4538->AS4837 AS6453 AS6453 AS4538->AS6453 AS6939 AS6939 AS4538->AS6939 AS23764 AS23764 AS4538->AS23764 AS58453 AS58453 AS4538->AS58453 AS140570 AS140570 AS4538->AS140570 AS23910 AS23910 AS4538->AS23910 AS174->AS1299 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS5511 AS5511 AS174->AS5511 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS1299->AS7018 AS2914->AS174 AS2914->AS1299 AS2914->AS3356 AS2914->AS1239 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS2914->AS5511 AS6461 AS6461 AS2914->AS6461 AS3491->AS174 AS3491->AS1299 AS3491->AS2914 AS3491->AS6453 AS3491->AS3356 AS3491->AS1239 AS3491->AS3257 AS3491->AS7018 AS3491->AS2497 AS3491->AS6461 AS4789->AS4837 AS4837->AS2497 AS6453->AS174 AS6453->AS1299 AS6453->AS2914 AS6453->AS3356 AS6453->AS1239 AS6453->AS3257 AS6453->AS7018 AS6453->AS2497 AS6453->AS6461 AS6939->AS3356 AS6939->AS1239 AS6939->AS3257 AS6939->AS7018 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS23764->AS174 AS23764->AS1299 AS23764->AS2914 AS23764->AS6453 AS23764->AS3356 AS23764->AS1239 AS23764->AS3257 AS58453->AS174 AS58453->AS1299 AS58453->AS2914 AS58453->AS3356 AS58453->AS1239 AS58453->AS3257 AS58453->AS2497 AS58453->AS6461 AS140570->AS174 AS140570->AS1299 AS140570->AS2914 AS9886 AS9886 AS140570->AS9886 AS23911 AS23911 AS23910->AS23911 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS3257->AS1299 AS3257->AS2914 AS3257->AS7018 AS9886->AS3491 AS9002 AS9002 AS9886->AS9002 AS9002->AS3356 AS23911->AS6939

World Map

WHOIS Details

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4538'

% Abuse contact for 'AS4538' is '[email protected]'

aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
admin-c: JW410-AP
tech-c: JW410-AP
abuse-c: AC1685-AP
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-by: APNIC-HM
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:15Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
remarks: [email protected] was validated on 2024-07-04
mnt-by: MAINT-CERNET-AP
last-modified: 2024-07-04T04:10:10Z
source: APNIC

role: ABUSE CERNETAP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
country: ZZ
phone: +86-10-62784301
e-mail: [email protected]
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: [email protected] was validated on 2024-07-04
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2024-07-04T04:10:19Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: [email protected]
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-US3)


% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4538'

% Abuse contact for 'AS4538' is '[email protected]'

aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
admin-c: JW410-AP
tech-c: JW410-AP
abuse-c: AC1685-AP
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-by: APNIC-HM
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:15Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
remarks: [email protected] was validated on 2024-07-04
mnt-by: MAINT-CERNET-AP
last-modified: 2024-07-04T04:10:10Z
source: APNIC

role: ABUSE CERNETAP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
country: ZZ
phone: +86-10-62784301
e-mail: [email protected]
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: [email protected] was validated on 2024-07-04
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2024-07-04T04:10:19Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: [email protected]
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-US3)


IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
IP.CC
Search
IP address details
AS4538
China Education and Research Network Center ·www.edu.cn
IP address details
AS4538
China Education and Research Network Center ·www.edu.cn

Summary

  • As Number
    AS4538
  • Org Name
    China Education and Research Network Center
  • Country
    China
  • Country Code
    CN
  • Website
    www.edu.cn
  • Regional Registry
    APNIC
  • Allocated Date
    1st August 2002
  • Allocated Status
    Allocated
  • Ipv4 Prefixes
    5112
  • Ipv6 Prefixes
    5732
  • Ipv4 Peers
    41
  • Ipv6 Peers
    8
  • Ipv4 Upstreams
    11
  • Ipv6 Upstreams
    2

Prefixes

There are 5112 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
China1.184.0.0/15
China Education and Research Network
--APNIC
China1.184.192.0/18
China Education and Research Network
1.184.0.0/15APNIC
China1.185.0.0/18
China Education and Research Network
1.184.0.0/15APNIC
China1.185.192.0/18
China Education and Research Network
1.184.0.0/15APNIC
China1.185.64.0/19
China Education and Research Network
1.184.0.0/15APNIC
China1.51.0.0/16
China Education and Research Network
--APNIC
China1.51.0.0/17
China Education and Research Network
1.51.0.0/16APNIC
China1.51.112.0/24
China Education and Research Network
1.51.0.0/16APNIC
China1.51.120.0/21
China Education and Research Network
1.51.0.0/16APNIC
China1.51.128.0/17
China Education and Research Network
1.51.0.0/16APNIC
China1.51.144.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.16.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.160.0/21
China Education and Research Network
1.51.0.0/16APNIC
China1.51.168.0/21
China Education and Research Network
1.51.0.0/16APNIC
China1.51.176.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.192.0/18
China Education and Research Network
1.51.0.0/16APNIC
China1.51.32.0/20
China Education and Research Network
1.51.0.0/16APNIC
China1.51.48.0/21
China Education and Research Network
1.51.0.0/16APNIC
China101.4.0.0/14
China Education and Research Network
--APNIC
China101.4.0.0/20
China Education and Research Network
101.4.0.0/14APNIC
  • 1
  • 2
  • 3
  • 4
  • 5
  • 256
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 41 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
SwedenAS1299
Arelion, f/k/a Telia Carrier
false
AS131578
Beijing Foreign Studies University
false
ChinaAS133111
CERNET New Technology Co., Ltd
false
ChinaAS133465
Duke Kunshan University
false
ChinaAS138369
CERNET2 regional IX at Shenzhen University
false
AS138371
CERNET2 regional IX at Ocean University of China
false
AS138378
CERNET2 regional IX at Yunnan University
false
ChinaAS138393
CERNET2 regional IX at Guangxi University
false
AS139139
Shenyang Agricultural University
false
Hong KongAS140570
Hong Kong Beecloud System Technology Services Limited
false
United StatesAS174
Cogent Communications
true
Hong KongAS23764
CTGNet
false
ChinaAS23911
China Next Generation Internet Beijing IX
true
ChinaAS24348
CERNET2 IX at Tsinghua University
true
AS24349
CERNET2 IX at Peking University
false
AS24350
CERNET2 IX at Beijing University of Posts and Telecommunications
false
AS24352
CERNET2 IX at Tianjin University
false
AS24353
CERNET2 IX at Xi'an Jiaotong University
false
AS24355
CERNET2 IX at University of Electronic Science and Technology of China
false
AS24356
CERNET2 IX at Chongqing University
false
  • 1
  • 2
  • 3
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 11 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
SwedenAS1299
Arelion, f/k/a Telia Carrier
false
Hong KongAS140570
Hong Kong Beecloud System Technology Services Limited
false
United StatesAS174
Cogent Communications
false
Hong KongAS23764
CTGNet
false
United StatesAS2914
NTT America, Inc.
false
United StatesAS3491
PCCW Global, Inc.
false
ChinaAS4789
NAP1 at CERNET
false
ChinaAS4837
CHINA UNICOM China169 Backbone
true
Hong KongAS58453
China Mobile International Limited
false
United StatesAS6453
TATA COMMUNICATIONS (AMERICA) INC
false
United StatesAS6939
Hurricane Electric LLC
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 7 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS131578
Beijing Foreign Studies University
false
ChinaAS133111
CERNET New Technology Co., Ltd
false
ChinaAS133465
Duke Kunshan University
false
ChinaAS138369
CERNET2 regional IX at Shenzhen University
false
AS139139
Shenyang Agricultural University
false
ChinaAS24348
CERNET2 IX at Tsinghua University
false
AS9405
Test platform Service Center
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

Graphs

AS4538 Combined Upstream Graph AS4538 AS4538 AS174 AS174 AS4538->AS174 AS1299 AS1299 AS4538->AS1299 AS2914 AS2914 AS4538->AS2914 AS3491 AS3491 AS4538->AS3491 AS4789 AS4789 AS4538->AS4789 AS4837 AS4837 AS4538->AS4837 AS6453 AS6453 AS4538->AS6453 AS6939 AS6939 AS4538->AS6939 AS23764 AS23764 AS4538->AS23764 AS58453 AS58453 AS4538->AS58453 AS140570 AS140570 AS4538->AS140570 AS23910 AS23910 AS4538->AS23910 AS174->AS1299 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS5511 AS5511 AS174->AS5511 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS1299->AS7018 AS2914->AS174 AS2914->AS1299 AS2914->AS3356 AS2914->AS1239 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS2914->AS5511 AS6461 AS6461 AS2914->AS6461 AS3491->AS174 AS3491->AS1299 AS3491->AS2914 AS3491->AS6453 AS3491->AS3356 AS3491->AS1239 AS3491->AS3257 AS3491->AS7018 AS3491->AS2497 AS3491->AS6461 AS4789->AS4837 AS4837->AS2497 AS6453->AS174 AS6453->AS1299 AS6453->AS2914 AS6453->AS3356 AS6453->AS1239 AS6453->AS3257 AS6453->AS7018 AS6453->AS2497 AS6453->AS6461 AS6939->AS3356 AS6939->AS1239 AS6939->AS3257 AS6939->AS7018 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS23764->AS174 AS23764->AS1299 AS23764->AS2914 AS23764->AS6453 AS23764->AS3356 AS23764->AS1239 AS23764->AS3257 AS58453->AS174 AS58453->AS1299 AS58453->AS2914 AS58453->AS3356 AS58453->AS1239 AS58453->AS3257 AS58453->AS2497 AS58453->AS6461 AS140570->AS174 AS140570->AS1299 AS140570->AS2914 AS9886 AS9886 AS140570->AS9886 AS23911 AS23911 AS23910->AS23911 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS3257->AS1299 AS3257->AS2914 AS3257->AS7018 AS9886->AS3491 AS9002 AS9002 AS9886->AS9002 AS9002->AS3356 AS23911->AS6939
AS4538 Combined Upstream Graph AS4538 AS4538 AS174 AS174 AS4538->AS174 AS1299 AS1299 AS4538->AS1299 AS2914 AS2914 AS4538->AS2914 AS3491 AS3491 AS4538->AS3491 AS4789 AS4789 AS4538->AS4789 AS4837 AS4837 AS4538->AS4837 AS6453 AS6453 AS4538->AS6453 AS6939 AS6939 AS4538->AS6939 AS23764 AS23764 AS4538->AS23764 AS58453 AS58453 AS4538->AS58453 AS140570 AS140570 AS4538->AS140570 AS23910 AS23910 AS4538->AS23910 AS174->AS1299 AS174->AS2914 AS3356 AS3356 AS174->AS3356 AS1239 AS1239 AS174->AS1239 AS3257 AS3257 AS174->AS3257 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS5511 AS5511 AS174->AS5511 AS1299->AS2914 AS1299->AS3356 AS1299->AS3257 AS1299->AS7018 AS2914->AS174 AS2914->AS1299 AS2914->AS3356 AS2914->AS1239 AS2914->AS3257 AS2914->AS7018 AS2914->AS2497 AS2914->AS5511 AS6461 AS6461 AS2914->AS6461 AS3491->AS174 AS3491->AS1299 AS3491->AS2914 AS3491->AS6453 AS3491->AS3356 AS3491->AS1239 AS3491->AS3257 AS3491->AS7018 AS3491->AS2497 AS3491->AS6461 AS4789->AS4837 AS4837->AS2497 AS6453->AS174 AS6453->AS1299 AS6453->AS2914 AS6453->AS3356 AS6453->AS1239 AS6453->AS3257 AS6453->AS7018 AS6453->AS2497 AS6453->AS6461 AS6939->AS3356 AS6939->AS1239 AS6939->AS3257 AS6939->AS7018 AS6939->AS2497 AS701 AS701 AS6939->AS701 AS23764->AS174 AS23764->AS1299 AS23764->AS2914 AS23764->AS6453 AS23764->AS3356 AS23764->AS1239 AS23764->AS3257 AS58453->AS174 AS58453->AS1299 AS58453->AS2914 AS58453->AS3356 AS58453->AS1239 AS58453->AS3257 AS58453->AS2497 AS58453->AS6461 AS140570->AS174 AS140570->AS1299 AS140570->AS2914 AS9886 AS9886 AS140570->AS9886 AS23911 AS23911 AS23910->AS23911 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS3257->AS1299 AS3257->AS2914 AS3257->AS7018 AS9886->AS3491 AS9002 AS9002 AS9886->AS9002 AS9002->AS3356 AS23911->AS6939

World Map

WHOIS Details

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4538'

% Abuse contact for 'AS4538' is '[email protected]'

aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
admin-c: JW410-AP
tech-c: JW410-AP
abuse-c: AC1685-AP
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-by: APNIC-HM
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:15Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
remarks: [email protected] was validated on 2024-07-04
mnt-by: MAINT-CERNET-AP
last-modified: 2024-07-04T04:10:10Z
source: APNIC

role: ABUSE CERNETAP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
country: ZZ
phone: +86-10-62784301
e-mail: [email protected]
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: [email protected] was validated on 2024-07-04
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2024-07-04T04:10:19Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: [email protected]
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-US3)


% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4538'

% Abuse contact for 'AS4538' is '[email protected]'

aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
admin-c: JW410-AP
tech-c: JW410-AP
abuse-c: AC1685-AP
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-by: APNIC-HM
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:15Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
remarks: [email protected] was validated on 2024-07-04
mnt-by: MAINT-CERNET-AP
last-modified: 2024-07-04T04:10:10Z
source: APNIC

role: ABUSE CERNETAP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
country: ZZ
phone: +86-10-62784301
e-mail: [email protected]
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: [email protected] was validated on 2024-07-04
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2024-07-04T04:10:19Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: [email protected]
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-US3)


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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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