Summary
| Country |
 China
|
| Domain | cernet.net |
| Size | 256 |
| Registry | APNIC |
| Network Name | BJR-CERNET |
Whois
[whois.apnic.net]
inetnum: 121.193.0.0 - 121.193.255.255
netname: BJR-CERNET
descr: China Education and Research Network
descr: Beijing Regional Network
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: origin AS4538
remarks: confederation
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:09Z
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 2023-12-14
mnt-by: MAINT-CERNET-AP
last-modified: 2023-12-14T03:44:39Z
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 2023-12-14
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2023-12-14T03:44:51Z
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: 121.193.0.0/16
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2009-01-05T03:10:57Z
source: APNIC
CIDR IP address subranges within 121.193.221.0/24 subnet
- 121.193.221.0/32
- 121.193.221.1/32
- 121.193.221.2/32
- 121.193.221.3/32
- 121.193.221.4/32
- 121.193.221.5/32
- 121.193.221.6/32
- 121.193.221.7/32
- 121.193.221.8/32
- 121.193.221.9/32
- 121.193.221.10/32
- 121.193.221.11/32
- 121.193.221.12/32
- 121.193.221.13/32
- 121.193.221.14/32
- 121.193.221.15/32
- 121.193.221.16/32
- 121.193.221.17/32
- 121.193.221.18/32
- 121.193.221.19/32
- 121.193.221.20/32
- 121.193.221.21/32
- 121.193.221.22/32
- 121.193.221.23/32
- 121.193.221.24/32
- 121.193.221.25/32
- 121.193.221.26/32
- 121.193.221.27/32
- 121.193.221.28/32
- 121.193.221.29/32
- 121.193.221.30/32
- 121.193.221.31/32
- 121.193.221.32/32
- 121.193.221.33/32
- 121.193.221.34/32
- 121.193.221.35/32
- 121.193.221.36/32
- 121.193.221.37/32
- 121.193.221.38/32
- 121.193.221.39/32
- 121.193.221.40/32
- 121.193.221.41/32
- 121.193.221.42/32
- 121.193.221.43/32
- 121.193.221.44/32
- 121.193.221.45/32
- 121.193.221.46/32
- 121.193.221.47/32
- 121.193.221.48/32
- 121.193.221.49/32
- 121.193.221.50/32
- 121.193.221.51/32
- 121.193.221.52/32
- 121.193.221.53/32
- 121.193.221.54/32
- 121.193.221.55/32
- 121.193.221.56/32
- 121.193.221.57/32
- 121.193.221.58/32
- 121.193.221.59/32
- 121.193.221.60/32
- 121.193.221.61/32
- 121.193.221.62/32
- 121.193.221.63/32
- 121.193.221.64/32
- 121.193.221.65/32
- 121.193.221.66/32
- 121.193.221.67/32
- 121.193.221.68/32
- 121.193.221.69/32
- 121.193.221.70/32
- 121.193.221.71/32
- 121.193.221.72/32
- 121.193.221.73/32
- 121.193.221.74/32
- 121.193.221.75/32
- 121.193.221.76/32
- 121.193.221.77/32
- 121.193.221.78/32
- 121.193.221.79/32
- 121.193.221.80/32
- 121.193.221.81/32
- 121.193.221.82/32
- 121.193.221.83/32
- 121.193.221.84/32
- 121.193.221.85/32
- 121.193.221.86/32
- 121.193.221.87/32
- 121.193.221.88/32
- 121.193.221.89/32
- 121.193.221.90/32
- 121.193.221.91/32
- 121.193.221.92/32
- 121.193.221.93/32
- 121.193.221.94/32
- 121.193.221.95/32
- 121.193.221.96/32
- 121.193.221.97/32
- 121.193.221.98/32
- 121.193.221.99/32
- 121.193.221.100/32
- 121.193.221.101/32
- 121.193.221.102/32
- 121.193.221.103/32
- 121.193.221.104/32
- 121.193.221.105/32
- 121.193.221.106/32
- 121.193.221.107/32
- 121.193.221.108/32
- 121.193.221.109/32
- 121.193.221.110/32
- 121.193.221.111/32
- 121.193.221.112/32
- 121.193.221.113/32
- 121.193.221.114/32
- 121.193.221.115/32
- 121.193.221.116/32
- 121.193.221.117/32
- 121.193.221.118/32
- 121.193.221.119/32
- 121.193.221.120/32
- 121.193.221.121/32
- 121.193.221.122/32
- 121.193.221.123/32
- 121.193.221.124/32
- 121.193.221.125/32
- 121.193.221.126/32
- 121.193.221.127/32
- 121.193.221.128/32
- 121.193.221.129/32
- 121.193.221.130/32
- 121.193.221.131/32
- 121.193.221.132/32
- 121.193.221.133/32
- 121.193.221.134/32
- 121.193.221.135/32
- 121.193.221.136/32
- 121.193.221.137/32
- 121.193.221.138/32
- 121.193.221.139/32
- 121.193.221.140/32
- 121.193.221.141/32
- 121.193.221.142/32
- 121.193.221.143/32
- 121.193.221.144/32
- 121.193.221.145/32
- 121.193.221.146/32
- 121.193.221.147/32
- 121.193.221.148/32
- 121.193.221.149/32
- 121.193.221.150/32
- 121.193.221.151/32
- 121.193.221.152/32
- 121.193.221.153/32
- 121.193.221.154/32
- 121.193.221.155/32
- 121.193.221.156/32
- 121.193.221.157/32
- 121.193.221.158/32
- 121.193.221.159/32
- 121.193.221.160/32
- 121.193.221.161/32
- 121.193.221.162/32
- 121.193.221.163/32
- 121.193.221.164/32
- 121.193.221.165/32
- 121.193.221.166/32
- 121.193.221.167/32
- 121.193.221.168/32
- 121.193.221.169/32
- 121.193.221.170/32
- 121.193.221.171/32
- 121.193.221.172/32
- 121.193.221.173/32
- 121.193.221.174/32
- 121.193.221.175/32
- 121.193.221.176/32
- 121.193.221.177/32
- 121.193.221.178/32
- 121.193.221.179/32
- 121.193.221.180/32
- 121.193.221.181/32
- 121.193.221.182/32
- 121.193.221.183/32
- 121.193.221.184/32
- 121.193.221.185/32
- 121.193.221.186/32
- 121.193.221.187/32
- 121.193.221.188/32
- 121.193.221.189/32
- 121.193.221.190/32
- 121.193.221.191/32
- 121.193.221.192/32
- 121.193.221.193/32
- 121.193.221.194/32
- 121.193.221.195/32
- 121.193.221.196/32
- 121.193.221.197/32
- 121.193.221.198/32
- 121.193.221.199/32
- 121.193.221.200/32
- 121.193.221.201/32
- 121.193.221.202/32
- 121.193.221.203/32
- 121.193.221.204/32
- 121.193.221.205/32
- 121.193.221.206/32
- 121.193.221.207/32
- 121.193.221.208/32
- 121.193.221.209/32
- 121.193.221.210/32
- 121.193.221.211/32
- 121.193.221.212/32
- 121.193.221.213/32
- 121.193.221.214/32
- 121.193.221.215/32
- 121.193.221.216/32
- 121.193.221.217/32
- 121.193.221.218/32
- 121.193.221.219/32
- 121.193.221.220/32
- 121.193.221.221/32
- 121.193.221.222/32
- 121.193.221.223/32
- 121.193.221.224/32
- 121.193.221.225/32
- 121.193.221.226/32
- 121.193.221.227/32
- 121.193.221.228/32
- 121.193.221.229/32
- 121.193.221.230/32
- 121.193.221.231/32
- 121.193.221.232/32
- 121.193.221.233/32
- 121.193.221.234/32
- 121.193.221.235/32
- 121.193.221.236/32
- 121.193.221.237/32
- 121.193.221.238/32
- 121.193.221.239/32
- 121.193.221.240/32
- 121.193.221.241/32
- 121.193.221.242/32
- 121.193.221.243/32
- 121.193.221.244/32
- 121.193.221.245/32
- 121.193.221.246/32
- 121.193.221.247/32
- 121.193.221.248/32
- 121.193.221.249/32
- 121.193.221.250/32
- 121.193.221.251/32
- 121.193.221.252/32
- 121.193.221.253/32
- 121.193.221.254/32
- 121.193.221.255/32