Summary
Country |
![]() |
Domain | cernet.net |
Size | 256 |
Registry | APNIC |
Network Name | CERNET-CN |
Whois
inetnum: 210.40.0.0 - 210.47.255.255
netname: CERNET-CN
descr: China Education and Research Network
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing, 100084
country: CN
admin-c: JW1-CN
tech-c: XL1-CN
tech-c: LZ1-CN
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: NS2.NET.EDU.CN
remarks: DNS.EDU.CN
remarks: CDNET52.CDNET.EDU.CN
remarks: CDNET61.CDNET.EDU.CN
remarks: DNS.WHNET.EDU.CN
remarks: DNS.XANET.EDU.CN
remarks: MARS.SHNET.EDU.CN
remarks: MAVERICK.SYNET.EDU.CN
remarks: NS1.NJNET.EDU.CN
remarks: NS2.NJNET.EDU.CN
remarks: ORANGE.GZNET.EDU.CN
remarks: PINEAPPLE.GZNET.EDU.CN
remarks: SAINT.SYNET.EDU.CN
remarks: SUN200.WHNET.EDU.CN
remarks: VENUS.SHNET.EDU.CN
remarks: XANOC.XANET.EDU.CN
remarks: service provider
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-10-20T00:56:43Z
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
source: APNIC
role: ABUSE CERNETAP
country: ZZ
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
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 2025-01-22
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
source: APNIC
person: Jianping Wu
address: China Education and Research Network Center
address: Room 225, Main Building, Tsinghua University
address: Beijing 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: [email protected]
nic-hdl: JW1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC
person: Ling Zhang
address: Network Center
address: South China University of Technology
address: Guangzhou, Guangdong 510641, China
address: CN
country: CN
phone: +86-20-87110596
fax-no: +86-20-87110019
e-mail: [email protected]
nic-hdl: LZ1-CN
notify: [email protected]
mnt-by: MAINT-NULL
last-modified: 2011-12-22T05:14:25Z
source: APNIC
person: Xing Li
address: China Education and Research Network Center
address: Room 225, Main Building, Tsinghua University
address: Beijing 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: [email protected]
nic-hdl: XL1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC
CIDR IP address subranges within 210.40.3.0/24 subnet
- 210.40.3.0/32
- 210.40.3.1/32
- 210.40.3.2/32
- 210.40.3.3/32
- 210.40.3.4/32
- 210.40.3.5/32
- 210.40.3.6/32
- 210.40.3.7/32
- 210.40.3.8/32
- 210.40.3.9/32
- 210.40.3.10/32
- 210.40.3.11/32
- 210.40.3.12/32
- 210.40.3.13/32
- 210.40.3.14/32
- 210.40.3.15/32
- 210.40.3.16/32
- 210.40.3.17/32
- 210.40.3.18/32
- 210.40.3.19/32
- 210.40.3.20/32
- 210.40.3.21/32
- 210.40.3.22/32
- 210.40.3.23/32
- 210.40.3.24/32
- 210.40.3.25/32
- 210.40.3.26/32
- 210.40.3.27/32
- 210.40.3.28/32
- 210.40.3.29/32
- 210.40.3.30/32
- 210.40.3.31/32
- 210.40.3.32/32
- 210.40.3.33/32
- 210.40.3.34/32
- 210.40.3.35/32
- 210.40.3.36/32
- 210.40.3.37/32
- 210.40.3.38/32
- 210.40.3.39/32
- 210.40.3.40/32
- 210.40.3.41/32
- 210.40.3.42/32
- 210.40.3.43/32
- 210.40.3.44/32
- 210.40.3.45/32
- 210.40.3.46/32
- 210.40.3.47/32
- 210.40.3.48/32
- 210.40.3.49/32
- 210.40.3.50/32
- 210.40.3.51/32
- 210.40.3.52/32
- 210.40.3.53/32
- 210.40.3.54/32
- 210.40.3.55/32
- 210.40.3.56/32
- 210.40.3.57/32
- 210.40.3.58/32
- 210.40.3.59/32
- 210.40.3.60/32
- 210.40.3.61/32
- 210.40.3.62/32
- 210.40.3.63/32
- 210.40.3.64/32
- 210.40.3.65/32
- 210.40.3.66/32
- 210.40.3.67/32
- 210.40.3.68/32
- 210.40.3.69/32
- 210.40.3.70/32
- 210.40.3.71/32
- 210.40.3.72/32
- 210.40.3.73/32
- 210.40.3.74/32
- 210.40.3.75/32
- 210.40.3.76/32
- 210.40.3.77/32
- 210.40.3.78/32
- 210.40.3.79/32
- 210.40.3.80/32
- 210.40.3.81/32
- 210.40.3.82/32
- 210.40.3.83/32
- 210.40.3.84/32
- 210.40.3.85/32
- 210.40.3.86/32
- 210.40.3.87/32
- 210.40.3.88/32
- 210.40.3.89/32
- 210.40.3.90/32
- 210.40.3.91/32
- 210.40.3.92/32
- 210.40.3.93/32
- 210.40.3.94/32
- 210.40.3.95/32
- 210.40.3.96/32
- 210.40.3.97/32
- 210.40.3.98/32
- 210.40.3.99/32
- 210.40.3.100/32
- 210.40.3.101/32
- 210.40.3.102/32
- 210.40.3.103/32
- 210.40.3.104/32
- 210.40.3.105/32
- 210.40.3.106/32
- 210.40.3.107/32
- 210.40.3.108/32
- 210.40.3.109/32
- 210.40.3.110/32
- 210.40.3.111/32
- 210.40.3.112/32
- 210.40.3.113/32
- 210.40.3.114/32
- 210.40.3.115/32
- 210.40.3.116/32
- 210.40.3.117/32
- 210.40.3.118/32
- 210.40.3.119/32
- 210.40.3.120/32
- 210.40.3.121/32
- 210.40.3.122/32
- 210.40.3.123/32
- 210.40.3.124/32
- 210.40.3.125/32
- 210.40.3.126/32
- 210.40.3.127/32
- 210.40.3.128/32
- 210.40.3.129/32
- 210.40.3.130/32
- 210.40.3.131/32
- 210.40.3.132/32
- 210.40.3.133/32
- 210.40.3.134/32
- 210.40.3.135/32
- 210.40.3.136/32
- 210.40.3.137/32
- 210.40.3.138/32
- 210.40.3.139/32
- 210.40.3.140/32
- 210.40.3.141/32
- 210.40.3.142/32
- 210.40.3.143/32
- 210.40.3.144/32
- 210.40.3.145/32
- 210.40.3.146/32
- 210.40.3.147/32
- 210.40.3.148/32
- 210.40.3.149/32
- 210.40.3.150/32
- 210.40.3.151/32
- 210.40.3.152/32
- 210.40.3.153/32
- 210.40.3.154/32
- 210.40.3.155/32
- 210.40.3.156/32
- 210.40.3.157/32
- 210.40.3.158/32
- 210.40.3.159/32
- 210.40.3.160/32
- 210.40.3.161/32
- 210.40.3.162/32
- 210.40.3.163/32
- 210.40.3.164/32
- 210.40.3.165/32
- 210.40.3.166/32
- 210.40.3.167/32
- 210.40.3.168/32
- 210.40.3.169/32
- 210.40.3.170/32
- 210.40.3.171/32
- 210.40.3.172/32
- 210.40.3.173/32
- 210.40.3.174/32
- 210.40.3.175/32
- 210.40.3.176/32
- 210.40.3.177/32
- 210.40.3.178/32
- 210.40.3.179/32
- 210.40.3.180/32
- 210.40.3.181/32
- 210.40.3.182/32
- 210.40.3.183/32
- 210.40.3.184/32
- 210.40.3.185/32
- 210.40.3.186/32
- 210.40.3.187/32
- 210.40.3.188/32
- 210.40.3.189/32
- 210.40.3.190/32
- 210.40.3.191/32
- 210.40.3.192/32
- 210.40.3.193/32
- 210.40.3.194/32
- 210.40.3.195/32
- 210.40.3.196/32
- 210.40.3.197/32
- 210.40.3.198/32
- 210.40.3.199/32
- 210.40.3.200/32
- 210.40.3.201/32
- 210.40.3.202/32
- 210.40.3.203/32
- 210.40.3.204/32
- 210.40.3.205/32
- 210.40.3.206/32
- 210.40.3.207/32
- 210.40.3.208/32
- 210.40.3.209/32
- 210.40.3.210/32
- 210.40.3.211/32
- 210.40.3.212/32
- 210.40.3.213/32
- 210.40.3.214/32
- 210.40.3.215/32
- 210.40.3.216/32
- 210.40.3.217/32
- 210.40.3.218/32
- 210.40.3.219/32
- 210.40.3.220/32
- 210.40.3.221/32
- 210.40.3.222/32
- 210.40.3.223/32
- 210.40.3.224/32
- 210.40.3.225/32
- 210.40.3.226/32
- 210.40.3.227/32
- 210.40.3.228/32
- 210.40.3.229/32
- 210.40.3.230/32
- 210.40.3.231/32
- 210.40.3.232/32
- 210.40.3.233/32
- 210.40.3.234/32
- 210.40.3.235/32
- 210.40.3.236/32
- 210.40.3.237/32
- 210.40.3.238/32
- 210.40.3.239/32
- 210.40.3.240/32
- 210.40.3.241/32
- 210.40.3.242/32
- 210.40.3.243/32
- 210.40.3.244/32
- 210.40.3.245/32
- 210.40.3.246/32
- 210.40.3.247/32
- 210.40.3.248/32
- 210.40.3.249/32
- 210.40.3.250/32
- 210.40.3.251/32
- 210.40.3.252/32
- 210.40.3.253/32
- 210.40.3.254/32
- 210.40.3.255/32