Summary
| Country
|
 China
|
| Domain
|
cernic.net |
| Size
|
16,384 |
| Registry
|
APNIC |
| Network Name
|
TSINGHUA-CN |
Whois
inetnum: 166.111.0.0 - 166.111.255.255
netname: TSINGHUA-CN
descr: Tsinghua University
country: CN
org: ORG-CEAR1-AP
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
mnt-by: APNIC-HM
mnt-lower: MAINT-TSINGHUA-CERNET
mnt-routes: MAINT-TSINGHUA-CERNET
mnt-irt: IRT-CERNET-AP
last-modified: 2023-09-06T06:09:18Z
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
organisation: ORG-CEAR1-AP
org-name: China Education and Research Network (CERNET)
country: CN
address: FIT 3-220,
address: Tsinghua University
phone: +86-10-62785983
fax-no: +86-10-62785933
e-mail: hostmaster@cernic.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2018-09-13T12:56:34Z
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: APNIC
CIDR IP address subranges within 166.111.192.0/18 subnet
- 166.111.192.0/24
- 166.111.193.0/24
- 166.111.194.0/24
- 166.111.195.0/24
- 166.111.196.0/24
- 166.111.197.0/24
- 166.111.198.0/24
- 166.111.199.0/24
- 166.111.200.0/24
- 166.111.201.0/24
- 166.111.202.0/24
- 166.111.203.0/24
- 166.111.204.0/24
- 166.111.205.0/24
- 166.111.206.0/24
- 166.111.207.0/24
- 166.111.208.0/24
- 166.111.209.0/24
- 166.111.210.0/24
- 166.111.211.0/24
- 166.111.212.0/24
- 166.111.213.0/24
- 166.111.214.0/24
- 166.111.215.0/24
- 166.111.216.0/24
- 166.111.217.0/24
- 166.111.218.0/24
- 166.111.219.0/24
- 166.111.220.0/24
- 166.111.221.0/24
- 166.111.222.0/24
- 166.111.223.0/24
- 166.111.224.0/24
- 166.111.225.0/24
- 166.111.226.0/24
- 166.111.227.0/24
- 166.111.228.0/24
- 166.111.229.0/24
- 166.111.230.0/24
- 166.111.231.0/24
- 166.111.232.0/24
- 166.111.233.0/24
- 166.111.234.0/24
- 166.111.235.0/24
- 166.111.236.0/24
- 166.111.237.0/24
- 166.111.238.0/24
- 166.111.239.0/24
- 166.111.240.0/24
- 166.111.241.0/24
- 166.111.242.0/24
- 166.111.243.0/24
- 166.111.244.0/24
- 166.111.245.0/24
- 166.111.246.0/24
- 166.111.247.0/24
- 166.111.248.0/24
- 166.111.249.0/24
- 166.111.250.0/24
- 166.111.251.0/24
- 166.111.252.0/24
- 166.111.253.0/24
- 166.111.254.0/24
- 166.111.255.0/24