Summary
| Country |
 China
|
| Domain | cernet.net |
| Size | 256 |
| Registry | APNIC |
| Network Name | NJR-CERNET |
Whois
inetnum: 42.244.0.0 - 42.247.255.255
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: 2020-09-03T09:16:28Z
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
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: 42.246.0.0/15
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2017-03-14T04:00:08Z
source: APNIC
CIDR IP address subranges within 42.247.12.0/24 subnet
- 42.247.12.0/32
- 42.247.12.1/32
- 42.247.12.2/32
- 42.247.12.3/32
- 42.247.12.4/32
- 42.247.12.5/32
- 42.247.12.6/32
- 42.247.12.7/32
- 42.247.12.8/32
- 42.247.12.9/32
- 42.247.12.10/32
- 42.247.12.11/32
- 42.247.12.12/32
- 42.247.12.13/32
- 42.247.12.14/32
- 42.247.12.15/32
- 42.247.12.16/32
- 42.247.12.17/32
- 42.247.12.18/32
- 42.247.12.19/32
- 42.247.12.20/32
- 42.247.12.21/32
- 42.247.12.22/32
- 42.247.12.23/32
- 42.247.12.24/32
- 42.247.12.25/32
- 42.247.12.26/32
- 42.247.12.27/32
- 42.247.12.28/32
- 42.247.12.29/32
- 42.247.12.30/32
- 42.247.12.31/32
- 42.247.12.32/32
- 42.247.12.33/32
- 42.247.12.34/32
- 42.247.12.35/32
- 42.247.12.36/32
- 42.247.12.37/32
- 42.247.12.38/32
- 42.247.12.39/32
- 42.247.12.40/32
- 42.247.12.41/32
- 42.247.12.42/32
- 42.247.12.43/32
- 42.247.12.44/32
- 42.247.12.45/32
- 42.247.12.46/32
- 42.247.12.47/32
- 42.247.12.48/32
- 42.247.12.49/32
- 42.247.12.50/32
- 42.247.12.51/32
- 42.247.12.52/32
- 42.247.12.53/32
- 42.247.12.54/32
- 42.247.12.55/32
- 42.247.12.56/32
- 42.247.12.57/32
- 42.247.12.58/32
- 42.247.12.59/32
- 42.247.12.60/32
- 42.247.12.61/32
- 42.247.12.62/32
- 42.247.12.63/32
- 42.247.12.64/32
- 42.247.12.65/32
- 42.247.12.66/32
- 42.247.12.67/32
- 42.247.12.68/32
- 42.247.12.69/32
- 42.247.12.70/32
- 42.247.12.71/32
- 42.247.12.72/32
- 42.247.12.73/32
- 42.247.12.74/32
- 42.247.12.75/32
- 42.247.12.76/32
- 42.247.12.77/32
- 42.247.12.78/32
- 42.247.12.79/32
- 42.247.12.80/32
- 42.247.12.81/32
- 42.247.12.82/32
- 42.247.12.83/32
- 42.247.12.84/32
- 42.247.12.85/32
- 42.247.12.86/32
- 42.247.12.87/32
- 42.247.12.88/32
- 42.247.12.89/32
- 42.247.12.90/32
- 42.247.12.91/32
- 42.247.12.92/32
- 42.247.12.93/32
- 42.247.12.94/32
- 42.247.12.95/32
- 42.247.12.96/32
- 42.247.12.97/32
- 42.247.12.98/32
- 42.247.12.99/32
- 42.247.12.100/32
- 42.247.12.101/32
- 42.247.12.102/32
- 42.247.12.103/32
- 42.247.12.104/32
- 42.247.12.105/32
- 42.247.12.106/32
- 42.247.12.107/32
- 42.247.12.108/32
- 42.247.12.109/32
- 42.247.12.110/32
- 42.247.12.111/32
- 42.247.12.112/32
- 42.247.12.113/32
- 42.247.12.114/32
- 42.247.12.115/32
- 42.247.12.116/32
- 42.247.12.117/32
- 42.247.12.118/32
- 42.247.12.119/32
- 42.247.12.120/32
- 42.247.12.121/32
- 42.247.12.122/32
- 42.247.12.123/32
- 42.247.12.124/32
- 42.247.12.125/32
- 42.247.12.126/32
- 42.247.12.127/32
- 42.247.12.128/32
- 42.247.12.129/32
- 42.247.12.130/32
- 42.247.12.131/32
- 42.247.12.132/32
- 42.247.12.133/32
- 42.247.12.134/32
- 42.247.12.135/32
- 42.247.12.136/32
- 42.247.12.137/32
- 42.247.12.138/32
- 42.247.12.139/32
- 42.247.12.140/32
- 42.247.12.141/32
- 42.247.12.142/32
- 42.247.12.143/32
- 42.247.12.144/32
- 42.247.12.145/32
- 42.247.12.146/32
- 42.247.12.147/32
- 42.247.12.148/32
- 42.247.12.149/32
- 42.247.12.150/32
- 42.247.12.151/32
- 42.247.12.152/32
- 42.247.12.153/32
- 42.247.12.154/32
- 42.247.12.155/32
- 42.247.12.156/32
- 42.247.12.157/32
- 42.247.12.158/32
- 42.247.12.159/32
- 42.247.12.160/32
- 42.247.12.161/32
- 42.247.12.162/32
- 42.247.12.163/32
- 42.247.12.164/32
- 42.247.12.165/32
- 42.247.12.166/32
- 42.247.12.167/32
- 42.247.12.168/32
- 42.247.12.169/32
- 42.247.12.170/32
- 42.247.12.171/32
- 42.247.12.172/32
- 42.247.12.173/32
- 42.247.12.174/32
- 42.247.12.175/32
- 42.247.12.176/32
- 42.247.12.177/32
- 42.247.12.178/32
- 42.247.12.179/32
- 42.247.12.180/32
- 42.247.12.181/32
- 42.247.12.182/32
- 42.247.12.183/32
- 42.247.12.184/32
- 42.247.12.185/32
- 42.247.12.186/32
- 42.247.12.187/32
- 42.247.12.188/32
- 42.247.12.189/32
- 42.247.12.190/32
- 42.247.12.191/32
- 42.247.12.192/32
- 42.247.12.193/32
- 42.247.12.194/32
- 42.247.12.195/32
- 42.247.12.196/32
- 42.247.12.197/32
- 42.247.12.198/32
- 42.247.12.199/32
- 42.247.12.200/32
- 42.247.12.201/32
- 42.247.12.202/32
- 42.247.12.203/32
- 42.247.12.204/32
- 42.247.12.205/32
- 42.247.12.206/32
- 42.247.12.207/32
- 42.247.12.208/32
- 42.247.12.209/32
- 42.247.12.210/32
- 42.247.12.211/32
- 42.247.12.212/32
- 42.247.12.213/32
- 42.247.12.214/32
- 42.247.12.215/32
- 42.247.12.216/32
- 42.247.12.217/32
- 42.247.12.218/32
- 42.247.12.219/32
- 42.247.12.220/32
- 42.247.12.221/32
- 42.247.12.222/32
- 42.247.12.223/32
- 42.247.12.224/32
- 42.247.12.225/32
- 42.247.12.226/32
- 42.247.12.227/32
- 42.247.12.228/32
- 42.247.12.229/32
- 42.247.12.230/32
- 42.247.12.231/32
- 42.247.12.232/32
- 42.247.12.233/32
- 42.247.12.234/32
- 42.247.12.235/32
- 42.247.12.236/32
- 42.247.12.237/32
- 42.247.12.238/32
- 42.247.12.239/32
- 42.247.12.240/32
- 42.247.12.241/32
- 42.247.12.242/32
- 42.247.12.243/32
- 42.247.12.244/32
- 42.247.12.245/32
- 42.247.12.246/32
- 42.247.12.247/32
- 42.247.12.248/32
- 42.247.12.249/32
- 42.247.12.250/32
- 42.247.12.251/32
- 42.247.12.252/32
- 42.247.12.253/32
- 42.247.12.254/32
- 42.247.12.255/32