Summary

Country
CN 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 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: 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 42.247.53.0/24 subnet

  • 42.247.53.0/32
  • 42.247.53.1/32
  • 42.247.53.2/32
  • 42.247.53.3/32
  • 42.247.53.4/32
  • 42.247.53.5/32
  • 42.247.53.6/32
  • 42.247.53.7/32
  • 42.247.53.8/32
  • 42.247.53.9/32
  • 42.247.53.10/32
  • 42.247.53.11/32
  • 42.247.53.12/32
  • 42.247.53.13/32
  • 42.247.53.14/32
  • 42.247.53.15/32
  • 42.247.53.16/32
  • 42.247.53.17/32
  • 42.247.53.18/32
  • 42.247.53.19/32
  • 42.247.53.20/32
  • 42.247.53.21/32
  • 42.247.53.22/32
  • 42.247.53.23/32
  • 42.247.53.24/32
  • 42.247.53.25/32
  • 42.247.53.26/32
  • 42.247.53.27/32
  • 42.247.53.28/32
  • 42.247.53.29/32
  • 42.247.53.30/32
  • 42.247.53.31/32
  • 42.247.53.32/32
  • 42.247.53.33/32
  • 42.247.53.34/32
  • 42.247.53.35/32
  • 42.247.53.36/32
  • 42.247.53.37/32
  • 42.247.53.38/32
  • 42.247.53.39/32
  • 42.247.53.40/32
  • 42.247.53.41/32
  • 42.247.53.42/32
  • 42.247.53.43/32
  • 42.247.53.44/32
  • 42.247.53.45/32
  • 42.247.53.46/32
  • 42.247.53.47/32
  • 42.247.53.48/32
  • 42.247.53.49/32
  • 42.247.53.50/32
  • 42.247.53.51/32
  • 42.247.53.52/32
  • 42.247.53.53/32
  • 42.247.53.54/32
  • 42.247.53.55/32
  • 42.247.53.56/32
  • 42.247.53.57/32
  • 42.247.53.58/32
  • 42.247.53.59/32
  • 42.247.53.60/32
  • 42.247.53.61/32
  • 42.247.53.62/32
  • 42.247.53.63/32
  • 42.247.53.64/32
  • 42.247.53.65/32
  • 42.247.53.66/32
  • 42.247.53.67/32
  • 42.247.53.68/32
  • 42.247.53.69/32
  • 42.247.53.70/32
  • 42.247.53.71/32
  • 42.247.53.72/32
  • 42.247.53.73/32
  • 42.247.53.74/32
  • 42.247.53.75/32
  • 42.247.53.76/32
  • 42.247.53.77/32
  • 42.247.53.78/32
  • 42.247.53.79/32
  • 42.247.53.80/32
  • 42.247.53.81/32
  • 42.247.53.82/32
  • 42.247.53.83/32
  • 42.247.53.84/32
  • 42.247.53.85/32
  • 42.247.53.86/32
  • 42.247.53.87/32
  • 42.247.53.88/32
  • 42.247.53.89/32
  • 42.247.53.90/32
  • 42.247.53.91/32
  • 42.247.53.92/32
  • 42.247.53.93/32
  • 42.247.53.94/32
  • 42.247.53.95/32
  • 42.247.53.96/32
  • 42.247.53.97/32
  • 42.247.53.98/32
  • 42.247.53.99/32
  • 42.247.53.100/32
  • 42.247.53.101/32
  • 42.247.53.102/32
  • 42.247.53.103/32
  • 42.247.53.104/32
  • 42.247.53.105/32
  • 42.247.53.106/32
  • 42.247.53.107/32
  • 42.247.53.108/32
  • 42.247.53.109/32
  • 42.247.53.110/32
  • 42.247.53.111/32
  • 42.247.53.112/32
  • 42.247.53.113/32
  • 42.247.53.114/32
  • 42.247.53.115/32
  • 42.247.53.116/32
  • 42.247.53.117/32
  • 42.247.53.118/32
  • 42.247.53.119/32
  • 42.247.53.120/32
  • 42.247.53.121/32
  • 42.247.53.122/32
  • 42.247.53.123/32
  • 42.247.53.124/32
  • 42.247.53.125/32
  • 42.247.53.126/32
  • 42.247.53.127/32
  • 42.247.53.128/32
  • 42.247.53.129/32
  • 42.247.53.130/32
  • 42.247.53.131/32
  • 42.247.53.132/32
  • 42.247.53.133/32
  • 42.247.53.134/32
  • 42.247.53.135/32
  • 42.247.53.136/32
  • 42.247.53.137/32
  • 42.247.53.138/32
  • 42.247.53.139/32
  • 42.247.53.140/32
  • 42.247.53.141/32
  • 42.247.53.142/32
  • 42.247.53.143/32
  • 42.247.53.144/32
  • 42.247.53.145/32
  • 42.247.53.146/32
  • 42.247.53.147/32
  • 42.247.53.148/32
  • 42.247.53.149/32
  • 42.247.53.150/32
  • 42.247.53.151/32
  • 42.247.53.152/32
  • 42.247.53.153/32
  • 42.247.53.154/32
  • 42.247.53.155/32
  • 42.247.53.156/32
  • 42.247.53.157/32
  • 42.247.53.158/32
  • 42.247.53.159/32
  • 42.247.53.160/32
  • 42.247.53.161/32
  • 42.247.53.162/32
  • 42.247.53.163/32
  • 42.247.53.164/32
  • 42.247.53.165/32
  • 42.247.53.166/32
  • 42.247.53.167/32
  • 42.247.53.168/32
  • 42.247.53.169/32
  • 42.247.53.170/32
  • 42.247.53.171/32
  • 42.247.53.172/32
  • 42.247.53.173/32
  • 42.247.53.174/32
  • 42.247.53.175/32
  • 42.247.53.176/32
  • 42.247.53.177/32
  • 42.247.53.178/32
  • 42.247.53.179/32
  • 42.247.53.180/32
  • 42.247.53.181/32
  • 42.247.53.182/32
  • 42.247.53.183/32
  • 42.247.53.184/32
  • 42.247.53.185/32
  • 42.247.53.186/32
  • 42.247.53.187/32
  • 42.247.53.188/32
  • 42.247.53.189/32
  • 42.247.53.190/32
  • 42.247.53.191/32
  • 42.247.53.192/32
  • 42.247.53.193/32
  • 42.247.53.194/32
  • 42.247.53.195/32
  • 42.247.53.196/32
  • 42.247.53.197/32
  • 42.247.53.198/32
  • 42.247.53.199/32
  • 42.247.53.200/32
  • 42.247.53.201/32
  • 42.247.53.202/32
  • 42.247.53.203/32
  • 42.247.53.204/32
  • 42.247.53.205/32
  • 42.247.53.206/32
  • 42.247.53.207/32
  • 42.247.53.208/32
  • 42.247.53.209/32
  • 42.247.53.210/32
  • 42.247.53.211/32
  • 42.247.53.212/32
  • 42.247.53.213/32
  • 42.247.53.214/32
  • 42.247.53.215/32
  • 42.247.53.216/32
  • 42.247.53.217/32
  • 42.247.53.218/32
  • 42.247.53.219/32
  • 42.247.53.220/32
  • 42.247.53.221/32
  • 42.247.53.222/32
  • 42.247.53.223/32
  • 42.247.53.224/32
  • 42.247.53.225/32
  • 42.247.53.226/32
  • 42.247.53.227/32
  • 42.247.53.228/32
  • 42.247.53.229/32
  • 42.247.53.230/32
  • 42.247.53.231/32
  • 42.247.53.232/32
  • 42.247.53.233/32
  • 42.247.53.234/32
  • 42.247.53.235/32
  • 42.247.53.236/32
  • 42.247.53.237/32
  • 42.247.53.238/32
  • 42.247.53.239/32
  • 42.247.53.240/32
  • 42.247.53.241/32
  • 42.247.53.242/32
  • 42.247.53.243/32
  • 42.247.53.244/32
  • 42.247.53.245/32
  • 42.247.53.246/32
  • 42.247.53.247/32
  • 42.247.53.248/32
  • 42.247.53.249/32
  • 42.247.53.250/32
  • 42.247.53.251/32
  • 42.247.53.252/32
  • 42.247.53.253/32
  • 42.247.53.254/32
  • 42.247.53.255/32

Get started with 100,000 free lookups: sign up