Summary

Country
CN China
Domain cernet.net
Size 16,384
Registry APNIC
Network Name BJR-CERNET

Whois

inetnum: 183.172.0.0 - 183.175.255.255
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: NS2.NET.EDU.CN
remarks: DNS.EDU.CN
remarks: DNS2.EDU.CN
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: 2020-09-03T09:16:13Z
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: 183.172.0.0/14
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2009-11-25T07:36:58Z
source: APNIC

CIDR IP address subranges within 183.172.192.0/18 subnet

  • 183.172.192.0/24
  • 183.172.193.0/24
  • 183.172.194.0/24
  • 183.172.195.0/24
  • 183.172.196.0/24
  • 183.172.197.0/24
  • 183.172.198.0/24
  • 183.172.199.0/24
  • 183.172.200.0/24
  • 183.172.201.0/24
  • 183.172.202.0/24
  • 183.172.203.0/24
  • 183.172.204.0/24
  • 183.172.205.0/24
  • 183.172.206.0/24
  • 183.172.207.0/24
  • 183.172.208.0/24
  • 183.172.209.0/24
  • 183.172.210.0/24
  • 183.172.211.0/24
  • 183.172.212.0/24
  • 183.172.213.0/24
  • 183.172.214.0/24
  • 183.172.215.0/24
  • 183.172.216.0/24
  • 183.172.217.0/24
  • 183.172.218.0/24
  • 183.172.219.0/24
  • 183.172.220.0/24
  • 183.172.221.0/24
  • 183.172.222.0/24
  • 183.172.223.0/24
  • 183.172.224.0/24
  • 183.172.225.0/24
  • 183.172.226.0/24
  • 183.172.227.0/24
  • 183.172.228.0/24
  • 183.172.229.0/24
  • 183.172.230.0/24
  • 183.172.231.0/24
  • 183.172.232.0/24
  • 183.172.233.0/24
  • 183.172.234.0/24
  • 183.172.235.0/24
  • 183.172.236.0/24
  • 183.172.237.0/24
  • 183.172.238.0/24
  • 183.172.239.0/24
  • 183.172.240.0/24
  • 183.172.241.0/24
  • 183.172.242.0/24
  • 183.172.243.0/24
  • 183.172.244.0/24
  • 183.172.245.0/24
  • 183.172.246.0/24
  • 183.172.247.0/24
  • 183.172.248.0/24
  • 183.172.249.0/24
  • 183.172.250.0/24
  • 183.172.251.0/24
  • 183.172.252.0/24
  • 183.172.253.0/24
  • 183.172.254.0/24
  • 183.172.255.0/24

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