IP subnet details

211.70.128.0/18

AS4538  — China Education And Research Network Center

Summary

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

Whois

inetnum: 211.70.0.0 - 211.71.255.255
netname: CERNET
descr: China Education and Research Network
descr: Room 224, Tsinghua University
descr: Beijing, China
country: CN
admin-c: JW1-CN
tech-c: XL1-CN
tech-c: LZ1-CN
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: APNIC Very Large member, confederation
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-10-20T00:56:10Z
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: abuse@cernet.edu.cn
abuse-mailbox: abuse@cernet.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
remarks: abuse@cernet.edu.cn was validated on 2025-08-15
mnt-by: MAINT-CERNET-AP
last-modified: 2025-11-18T00:26:28Z
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: abuse@cernet.edu.cn
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: abuse@cernet.edu.cn was validated on 2025-08-15
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-08-15T09:38:28Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Room 225, Main Building, Tsinghua University
address: Beijing 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: jianping@cernet.edu.cn
nic-hdl: JW1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC

person: Ling Zhang
address: Network Center
address: South China University of Technology
address: Guangzhou, Guangdong 510641, China
address: CN
country: CN
phone: +86-20-87110596
fax-no: +86-20-87110019
e-mail: ling@scut.edu.cn
nic-hdl: LZ1-CN
notify: dbmon@apnic.net
mnt-by: MAINT-NULL
last-modified: 2011-12-22T05:14:25Z
source: APNIC

person: Xing Li
address: China Education and Research Network Center
address: Room 225, Main Building, Tsinghua University
address: Beijing 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: xing@cernet.edu.cn
nic-hdl: XL1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC

CIDR IP address subranges within 211.70.128.0/18 subnet

  • 211.70.128.0/24
  • 211.70.129.0/24
  • 211.70.130.0/24
  • 211.70.131.0/24
  • 211.70.132.0/24
  • 211.70.133.0/24
  • 211.70.134.0/24
  • 211.70.135.0/24
  • 211.70.136.0/24
  • 211.70.137.0/24
  • 211.70.138.0/24
  • 211.70.139.0/24
  • 211.70.140.0/24
  • 211.70.141.0/24
  • 211.70.142.0/24
  • 211.70.143.0/24
  • 211.70.144.0/24
  • 211.70.145.0/24
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  • 211.70.147.0/24
  • 211.70.148.0/24
  • 211.70.149.0/24
  • 211.70.150.0/24
  • 211.70.151.0/24
  • 211.70.152.0/24
  • 211.70.153.0/24
  • 211.70.154.0/24
  • 211.70.155.0/24
  • 211.70.156.0/24
  • 211.70.157.0/24
  • 211.70.158.0/24
  • 211.70.159.0/24
  • 211.70.160.0/24
  • 211.70.161.0/24
  • 211.70.162.0/24
  • 211.70.163.0/24
  • 211.70.164.0/24
  • 211.70.165.0/24
  • 211.70.166.0/24
  • 211.70.167.0/24
  • 211.70.168.0/24
  • 211.70.169.0/24
  • 211.70.170.0/24
  • 211.70.171.0/24
  • 211.70.172.0/24
  • 211.70.173.0/24
  • 211.70.174.0/24
  • 211.70.175.0/24
  • 211.70.176.0/24
  • 211.70.177.0/24
  • 211.70.178.0/24
  • 211.70.179.0/24
  • 211.70.180.0/24
  • 211.70.181.0/24
  • 211.70.182.0/24
  • 211.70.183.0/24
  • 211.70.184.0/24
  • 211.70.185.0/24
  • 211.70.186.0/24
  • 211.70.187.0/24
  • 211.70.188.0/24
  • 211.70.189.0/24
  • 211.70.190.0/24
  • 211.70.191.0/24

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