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 183.173.64.0/18 subnet

  • 183.173.64.0/24
  • 183.173.65.0/24
  • 183.173.66.0/24
  • 183.173.67.0/24
  • 183.173.68.0/24
  • 183.173.69.0/24
  • 183.173.70.0/24
  • 183.173.71.0/24
  • 183.173.72.0/24
  • 183.173.73.0/24
  • 183.173.74.0/24
  • 183.173.75.0/24
  • 183.173.76.0/24
  • 183.173.77.0/24
  • 183.173.78.0/24
  • 183.173.79.0/24
  • 183.173.80.0/24
  • 183.173.81.0/24
  • 183.173.82.0/24
  • 183.173.83.0/24
  • 183.173.84.0/24
  • 183.173.85.0/24
  • 183.173.86.0/24
  • 183.173.87.0/24
  • 183.173.88.0/24
  • 183.173.89.0/24
  • 183.173.90.0/24
  • 183.173.91.0/24
  • 183.173.92.0/24
  • 183.173.93.0/24
  • 183.173.94.0/24
  • 183.173.95.0/24
  • 183.173.96.0/24
  • 183.173.97.0/24
  • 183.173.98.0/24
  • 183.173.99.0/24
  • 183.173.100.0/24
  • 183.173.101.0/24
  • 183.173.102.0/24
  • 183.173.103.0/24
  • 183.173.104.0/24
  • 183.173.105.0/24
  • 183.173.106.0/24
  • 183.173.107.0/24
  • 183.173.108.0/24
  • 183.173.109.0/24
  • 183.173.110.0/24
  • 183.173.111.0/24
  • 183.173.112.0/24
  • 183.173.113.0/24
  • 183.173.114.0/24
  • 183.173.115.0/24
  • 183.173.116.0/24
  • 183.173.117.0/24
  • 183.173.118.0/24
  • 183.173.119.0/24
  • 183.173.120.0/24
  • 183.173.121.0/24
  • 183.173.122.0/24
  • 183.173.123.0/24
  • 183.173.124.0/24
  • 183.173.125.0/24
  • 183.173.126.0/24
  • 183.173.127.0/24

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