Summary

Country
CN China
Domain cernet.net
Size 32,768
Registry APNIC
Network Name SHR-CERNET

Whois

inetnum: 222.204.0.0 - 222.205.255.255
netname: SHR-CERNET
descr: China Education and Research Network
descr: Shanghai 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: 2020-09-03T09:16:17Z
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

CIDR IP address subranges within 222.205.0.0/17 subnet

  • 222.205.0.0/24
  • 222.205.1.0/24
  • 222.205.2.0/24
  • 222.205.3.0/24
  • 222.205.4.0/24
  • 222.205.5.0/24
  • 222.205.6.0/24
  • 222.205.7.0/24
  • 222.205.8.0/24
  • 222.205.9.0/24
  • 222.205.10.0/24
  • 222.205.11.0/24
  • 222.205.12.0/24
  • 222.205.13.0/24
  • 222.205.14.0/24
  • 222.205.15.0/24
  • 222.205.16.0/24
  • 222.205.17.0/24
  • 222.205.18.0/24
  • 222.205.19.0/24
  • 222.205.20.0/24
  • 222.205.21.0/24
  • 222.205.22.0/24
  • 222.205.23.0/24
  • 222.205.24.0/24
  • 222.205.25.0/24
  • 222.205.26.0/24
  • 222.205.27.0/24
  • 222.205.28.0/24
  • 222.205.29.0/24
  • 222.205.30.0/24
  • 222.205.31.0/24
  • 222.205.32.0/24
  • 222.205.33.0/24
  • 222.205.34.0/24
  • 222.205.35.0/24
  • 222.205.36.0/24
  • 222.205.37.0/24
  • 222.205.38.0/24
  • 222.205.39.0/24
  • 222.205.40.0/24
  • 222.205.41.0/24
  • 222.205.42.0/24
  • 222.205.43.0/24
  • 222.205.44.0/24
  • 222.205.45.0/24
  • 222.205.46.0/24
  • 222.205.47.0/24
  • 222.205.48.0/24
  • 222.205.49.0/24
  • 222.205.50.0/24
  • 222.205.51.0/24
  • 222.205.52.0/24
  • 222.205.53.0/24
  • 222.205.54.0/24
  • 222.205.55.0/24
  • 222.205.56.0/24
  • 222.205.57.0/24
  • 222.205.58.0/24
  • 222.205.59.0/24
  • 222.205.60.0/24
  • 222.205.61.0/24
  • 222.205.62.0/24
  • 222.205.63.0/24
  • 222.205.64.0/24
  • 222.205.65.0/24
  • 222.205.66.0/24
  • 222.205.67.0/24
  • 222.205.68.0/24
  • 222.205.69.0/24
  • 222.205.70.0/24
  • 222.205.71.0/24
  • 222.205.72.0/24
  • 222.205.73.0/24
  • 222.205.74.0/24
  • 222.205.75.0/24
  • 222.205.76.0/24
  • 222.205.77.0/24
  • 222.205.78.0/24
  • 222.205.79.0/24
  • 222.205.80.0/24
  • 222.205.81.0/24
  • 222.205.82.0/24
  • 222.205.83.0/24
  • 222.205.84.0/24
  • 222.205.85.0/24
  • 222.205.86.0/24
  • 222.205.87.0/24
  • 222.205.88.0/24
  • 222.205.89.0/24
  • 222.205.90.0/24
  • 222.205.91.0/24
  • 222.205.92.0/24
  • 222.205.93.0/24
  • 222.205.94.0/24
  • 222.205.95.0/24
  • 222.205.96.0/24
  • 222.205.97.0/24
  • 222.205.98.0/24
  • 222.205.99.0/24
  • 222.205.100.0/24
  • 222.205.101.0/24
  • 222.205.102.0/24
  • 222.205.103.0/24
  • 222.205.104.0/24
  • 222.205.105.0/24
  • 222.205.106.0/24
  • 222.205.107.0/24
  • 222.205.108.0/24
  • 222.205.109.0/24
  • 222.205.110.0/24
  • 222.205.111.0/24
  • 222.205.112.0/24
  • 222.205.113.0/24
  • 222.205.114.0/24
  • 222.205.115.0/24
  • 222.205.116.0/24
  • 222.205.117.0/24
  • 222.205.118.0/24
  • 222.205.119.0/24
  • 222.205.120.0/24
  • 222.205.121.0/24
  • 222.205.122.0/24
  • 222.205.123.0/24
  • 222.205.124.0/24
  • 222.205.125.0/24
  • 222.205.126.0/24
  • 222.205.127.0/24

Get started with 100,000 free lookups: sign up