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Summary
| Country |
 China
|
| Domain | cernet.net |
| Size | 8,192 |
| Registry | APNIC |
| Network Name | NJR-CERNET |
Whois
inetnum: 222.192.0.0 - 222.195.255.255
netname: NJR-CERNET
descr: China Education and Research Network
descr: Nanjing Regional Network
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: origin AS4538
remarks: confederation
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:02Z
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 222.193.192.0/19 subnet
- 222.193.192.0/24
- 222.193.193.0/24
- 222.193.194.0/24
- 222.193.195.0/24
- 222.193.196.0/24
- 222.193.197.0/24
- 222.193.198.0/24
- 222.193.199.0/24
- 222.193.200.0/24
- 222.193.201.0/24
- 222.193.202.0/24
- 222.193.203.0/24
- 222.193.204.0/24
- 222.193.205.0/24
- 222.193.206.0/24
- 222.193.207.0/24
- 222.193.208.0/24
- 222.193.209.0/24
- 222.193.210.0/24
- 222.193.211.0/24
- 222.193.212.0/24
- 222.193.213.0/24
- 222.193.214.0/24
- 222.193.215.0/24
- 222.193.216.0/24
- 222.193.217.0/24
- 222.193.218.0/24
- 222.193.219.0/24
- 222.193.220.0/24
- 222.193.221.0/24
- 222.193.222.0/24
- 222.193.223.0/24