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Enter any domain name, IP address, AS handle or company name you would like to query whois for
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4538'

aut-num:
AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
admin-c: JW410-AP
tech-c: JW410-AP
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
mnt-by: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
changed: hostmaster@apnic.net 20020803
changed: hm-changed@apnic.net 20031010
changed: hm-changed@apnic.net 20041221
changed: hm-changed@apnic.net 20090422
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: jianping@CERNET.EDU.CN
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
changed: hostmaster@apnic.net 20020803
source: APNIC

% This query was served by the APNIC Whois Service version 1.69.1-APNICv1r0 (UNDEFINED)

IPv4 Results:


AS4538 China Education and Research Network Center
1.51.0.0 - 1.51.63.255
1.51.112.0 - 1.51.112.255
1.51.120.0 - 1.51.255.255
1.184.0.0 - 1.185.255.255
22.30.204.0 - 22.30.205.255
42.244.0.0 - 42.247.255.255
49.52.0.0 - 49.55.255.255
49.120.0.0 - 49.123.255.255
49.140.0.0 - 49.141.255.255
49.208.0.0 - 49.209.255.255
58.154.0.0 - 58.155.255.255
58.192.0.0 - 58.195.255.255
58.196.128.0 - 58.196.178.255
58.196.192.0 - 58.196.239.255
58.197.0.0 - 58.207.255.255
59.64.0.0 - 59.79.255.255
101.4.0.0 - 101.7.255.255
101.36.96.0 - 101.36.103.255
101.76.0.0 - 101.77.255.255
103.31.48.0 - 103.31.51.255
110.64.0.0 - 110.65.255.255
111.114.0.0 - 111.117.255.255
111.186.0.0 - 111.187.255.255
113.54.0.0 - 113.55.255.255
114.212.0.0 - 114.214.255.255
115.24.0.0 - 115.27.255.255
115.154.0.0 - 115.158.255.255
116.13.0.0 - 116.13.255.255
116.56.0.0 - 116.57.255.255
118.202.0.0 - 118.203.255.255
118.228.0.0 - 118.228.151.255
118.228.156.0 - 118.230.255.255
120.94.0.0 - 120.95.255.255
121.48.0.0 - 121.49.255.255
121.192.0.0 - 121.195.255.255
121.248.0.0 - 121.251.255.255
122.204.0.0 - 122.207.255.255
125.216.0.0 - 125.223.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255

IPv6 Results:


AS4538 China Education and Research Network Center
2001:250:: - 2001:250:0:ffff:ffff:ffff:ffff:ffff Prefix: 48
2001:da8:257:: - 2001:da8:257:ffff:ffff:ffff:ffff:ffff Prefix: 48

WHOIS Lookup

Determine details about the online resource by using:
  • IP address
  • Domain name
  • Autonomous system number (ASN)
  • Company name
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