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Summary
| Country |
 China
|
| Domain | cernet.net |
| Size | 8,192 |
| Registry | APNIC |
| Network Name | CERNET-CN |
Whois
inetnum: 202.112.0.0 - 202.121.255.255
netname: CERNET-CN
descr: China Education and Research Network
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing, 100084
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: origin AS4538
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:29Z
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
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: helpdesk@cernet.edu.cn
remarks: abuse@cernet.edu.cn
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: APNICCIDR IP address subranges within 202.118.224.0/19 subnet
- 202.118.224.0/24
- 202.118.225.0/24
- 202.118.226.0/24
- 202.118.227.0/24
- 202.118.228.0/24
- 202.118.229.0/24
- 202.118.230.0/24
- 202.118.231.0/24
- 202.118.232.0/24
- 202.118.233.0/24
- 202.118.234.0/24
- 202.118.235.0/24
- 202.118.236.0/24
- 202.118.237.0/24
- 202.118.238.0/24
- 202.118.239.0/24
- 202.118.240.0/24
- 202.118.241.0/24
- 202.118.242.0/24
- 202.118.243.0/24
- 202.118.244.0/24
- 202.118.245.0/24
- 202.118.246.0/24
- 202.118.247.0/24
- 202.118.248.0/24
- 202.118.249.0/24
- 202.118.250.0/24
- 202.118.251.0/24
- 202.118.252.0/24
- 202.118.253.0/24
- 202.118.254.0/24
- 202.118.255.0/24