Summary
Country |
China
|
Domain | cernet.net |
Size | 256 |
Registry | APNIC |
Network Name | NJR-CERNET |
Whois
inetnum: 121.248.0.0 - 121.251.255.255
netname: NJR-CERNET
descr: China Education and Research Network
descr: Nanjing Regional Network
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: origin AS4538
remarks: confederation
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:15:58Z
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
role: CERNET Helpdesk
address: CERNET Center
address: Beijing 100084, China
country: CN
phone: +86-10-6278-4049
fax-no: +86-10-6278-5933
e-mail: [email protected]
remarks: [email protected]
admin-c: XL1-CN
tech-c: SZ2-AP
nic-hdl: CER-AP
mnt-by: MAINT-CERNET-AP
last-modified: 2020-09-03T09:14:12Z
source: APNIC
route: 121.250.0.0/15
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2009-01-05T03:10:57Z
source: APNIC
CIDR IP address subranges within 121.250.50.0/24 subnet
- 121.250.50.0/32
- 121.250.50.1/32
- 121.250.50.2/32
- 121.250.50.3/32
- 121.250.50.4/32
- 121.250.50.5/32
- 121.250.50.6/32
- 121.250.50.7/32
- 121.250.50.8/32
- 121.250.50.9/32
- 121.250.50.10/32
- 121.250.50.11/32
- 121.250.50.12/32
- 121.250.50.13/32
- 121.250.50.14/32
- 121.250.50.15/32
- 121.250.50.16/32
- 121.250.50.17/32
- 121.250.50.18/32
- 121.250.50.19/32
- 121.250.50.20/32
- 121.250.50.21/32
- 121.250.50.22/32
- 121.250.50.23/32
- 121.250.50.24/32
- 121.250.50.25/32
- 121.250.50.26/32
- 121.250.50.27/32
- 121.250.50.28/32
- 121.250.50.29/32
- 121.250.50.30/32
- 121.250.50.31/32
- 121.250.50.32/32
- 121.250.50.33/32
- 121.250.50.34/32
- 121.250.50.35/32
- 121.250.50.36/32
- 121.250.50.37/32
- 121.250.50.38/32
- 121.250.50.39/32
- 121.250.50.40/32
- 121.250.50.41/32
- 121.250.50.42/32
- 121.250.50.43/32
- 121.250.50.44/32
- 121.250.50.45/32
- 121.250.50.46/32
- 121.250.50.47/32
- 121.250.50.48/32
- 121.250.50.49/32
- 121.250.50.50/32
- 121.250.50.51/32
- 121.250.50.52/32
- 121.250.50.53/32
- 121.250.50.54/32
- 121.250.50.55/32
- 121.250.50.56/32
- 121.250.50.57/32
- 121.250.50.58/32
- 121.250.50.59/32
- 121.250.50.60/32
- 121.250.50.61/32
- 121.250.50.62/32
- 121.250.50.63/32
- 121.250.50.64/32
- 121.250.50.65/32
- 121.250.50.66/32
- 121.250.50.67/32
- 121.250.50.68/32
- 121.250.50.69/32
- 121.250.50.70/32
- 121.250.50.71/32
- 121.250.50.72/32
- 121.250.50.73/32
- 121.250.50.74/32
- 121.250.50.75/32
- 121.250.50.76/32
- 121.250.50.77/32
- 121.250.50.78/32
- 121.250.50.79/32
- 121.250.50.80/32
- 121.250.50.81/32
- 121.250.50.82/32
- 121.250.50.83/32
- 121.250.50.84/32
- 121.250.50.85/32
- 121.250.50.86/32
- 121.250.50.87/32
- 121.250.50.88/32
- 121.250.50.89/32
- 121.250.50.90/32
- 121.250.50.91/32
- 121.250.50.92/32
- 121.250.50.93/32
- 121.250.50.94/32
- 121.250.50.95/32
- 121.250.50.96/32
- 121.250.50.97/32
- 121.250.50.98/32
- 121.250.50.99/32
- 121.250.50.100/32
- 121.250.50.101/32
- 121.250.50.102/32
- 121.250.50.103/32
- 121.250.50.104/32
- 121.250.50.105/32
- 121.250.50.106/32
- 121.250.50.107/32
- 121.250.50.108/32
- 121.250.50.109/32
- 121.250.50.110/32
- 121.250.50.111/32
- 121.250.50.112/32
- 121.250.50.113/32
- 121.250.50.114/32
- 121.250.50.115/32
- 121.250.50.116/32
- 121.250.50.117/32
- 121.250.50.118/32
- 121.250.50.119/32
- 121.250.50.120/32
- 121.250.50.121/32
- 121.250.50.122/32
- 121.250.50.123/32
- 121.250.50.124/32
- 121.250.50.125/32
- 121.250.50.126/32
- 121.250.50.127/32
- 121.250.50.128/32
- 121.250.50.129/32
- 121.250.50.130/32
- 121.250.50.131/32
- 121.250.50.132/32
- 121.250.50.133/32
- 121.250.50.134/32
- 121.250.50.135/32
- 121.250.50.136/32
- 121.250.50.137/32
- 121.250.50.138/32
- 121.250.50.139/32
- 121.250.50.140/32
- 121.250.50.141/32
- 121.250.50.142/32
- 121.250.50.143/32
- 121.250.50.144/32
- 121.250.50.145/32
- 121.250.50.146/32
- 121.250.50.147/32
- 121.250.50.148/32
- 121.250.50.149/32
- 121.250.50.150/32
- 121.250.50.151/32
- 121.250.50.152/32
- 121.250.50.153/32
- 121.250.50.154/32
- 121.250.50.155/32
- 121.250.50.156/32
- 121.250.50.157/32
- 121.250.50.158/32
- 121.250.50.159/32
- 121.250.50.160/32
- 121.250.50.161/32
- 121.250.50.162/32
- 121.250.50.163/32
- 121.250.50.164/32
- 121.250.50.165/32
- 121.250.50.166/32
- 121.250.50.167/32
- 121.250.50.168/32
- 121.250.50.169/32
- 121.250.50.170/32
- 121.250.50.171/32
- 121.250.50.172/32
- 121.250.50.173/32
- 121.250.50.174/32
- 121.250.50.175/32
- 121.250.50.176/32
- 121.250.50.177/32
- 121.250.50.178/32
- 121.250.50.179/32
- 121.250.50.180/32
- 121.250.50.181/32
- 121.250.50.182/32
- 121.250.50.183/32
- 121.250.50.184/32
- 121.250.50.185/32
- 121.250.50.186/32
- 121.250.50.187/32
- 121.250.50.188/32
- 121.250.50.189/32
- 121.250.50.190/32
- 121.250.50.191/32
- 121.250.50.192/32
- 121.250.50.193/32
- 121.250.50.194/32
- 121.250.50.195/32
- 121.250.50.196/32
- 121.250.50.197/32
- 121.250.50.198/32
- 121.250.50.199/32
- 121.250.50.200/32
- 121.250.50.201/32
- 121.250.50.202/32
- 121.250.50.203/32
- 121.250.50.204/32
- 121.250.50.205/32
- 121.250.50.206/32
- 121.250.50.207/32
- 121.250.50.208/32
- 121.250.50.209/32
- 121.250.50.210/32
- 121.250.50.211/32
- 121.250.50.212/32
- 121.250.50.213/32
- 121.250.50.214/32
- 121.250.50.215/32
- 121.250.50.216/32
- 121.250.50.217/32
- 121.250.50.218/32
- 121.250.50.219/32
- 121.250.50.220/32
- 121.250.50.221/32
- 121.250.50.222/32
- 121.250.50.223/32
- 121.250.50.224/32
- 121.250.50.225/32
- 121.250.50.226/32
- 121.250.50.227/32
- 121.250.50.228/32
- 121.250.50.229/32
- 121.250.50.230/32
- 121.250.50.231/32
- 121.250.50.232/32
- 121.250.50.233/32
- 121.250.50.234/32
- 121.250.50.235/32
- 121.250.50.236/32
- 121.250.50.237/32
- 121.250.50.238/32
- 121.250.50.239/32
- 121.250.50.240/32
- 121.250.50.241/32
- 121.250.50.242/32
- 121.250.50.243/32
- 121.250.50.244/32
- 121.250.50.245/32
- 121.250.50.246/32
- 121.250.50.247/32
- 121.250.50.248/32
- 121.250.50.249/32
- 121.250.50.250/32
- 121.250.50.251/32
- 121.250.50.252/32
- 121.250.50.253/32
- 121.250.50.254/32
- 121.250.50.255/32