Summary

NetName
CERNET-CN
OrgName
China Education and Research Network
CIDR
RIR

APNIC

Country / Region

Status

ALLOCATED PORTABLE

Abuse

abuse@cernet.edu.cn

Contact

abuse@cernet.edu.cn

helpdesk@cernet.edu.cn

RegDate

Updated

2020-09-03T09:16:29Z

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN China 58944512 1733024481280

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 is invalid
mnt-by:         MAINT-CERNET-AP
last-modified:  2023-12-13T13:07:11Z
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

Graph

CIDR

202.120.0.0/24 202.120.1.0/24 202.120.2.0/24 202.120.3.0/24
202.120.5.0/24 202.120.6.0/24 202.120.7.0/24 202.120.8.0/24
202.120.10.0/24 202.120.11.0/24 202.120.12.0/24 202.120.13.0/24
202.120.15.0/24 202.120.16.0/24 202.120.17.0/24 202.120.18.0/24
202.120.20.0/24 202.120.21.0/24 202.120.22.0/24 202.120.23.0/24
202.120.25.0/24 202.120.26.0/24 202.120.27.0/24 202.120.28.0/24
202.120.30.0/24 202.120.31.0/24 202.120.32.0/24 202.120.33.0/24
202.120.35.0/24 202.120.36.0/24 202.120.37.0/24 202.120.38.0/24
202.120.40.0/24 202.120.41.0/24 202.120.42.0/24 202.120.43.0/24
202.120.45.0/24 202.120.46.0/24 202.120.47.0/24 202.120.48.0/24
202.120.50.0/24 202.120.51.0/24 202.120.52.0/24 202.120.53.0/24
202.120.55.0/24 202.120.56.0/24 202.120.57.0/24 202.120.58.0/24
202.120.60.0/24 202.120.61.0/24 202.120.62.0/24 202.120.63.0/24
202.120.65.0/24 202.120.66.0/24 202.120.67.0/24 202.120.68.0/24
202.120.70.0/24 202.120.71.0/24 202.120.72.0/24 202.120.73.0/24
202.120.75.0/24 202.120.76.0/24 202.120.77.0/24 202.120.78.0/24
202.120.80.0/24 202.120.81.0/24 202.120.82.0/24 202.120.83.0/24
202.120.85.0/24 202.120.86.0/24 202.120.87.0/24 202.120.88.0/24
202.120.90.0/24 202.120.91.0/24 202.120.92.0/24 202.120.93.0/24
202.120.95.0/24 202.120.96.0/24 202.120.97.0/24 202.120.98.0/24
202.120.100.0/24 202.120.101.0/24 202.120.102.0/24 202.120.103.0/24
202.120.105.0/24 202.120.106.0/24 202.120.107.0/24 202.120.108.0/24
202.120.110.0/24 202.120.111.0/24 202.120.112.0/24 202.120.113.0/24
202.120.115.0/24 202.120.116.0/24 202.120.117.0/24 202.120.118.0/24
202.120.120.0/24 202.120.121.0/24 202.120.122.0/24 202.120.123.0/24
202.120.125.0/24 202.120.126.0/24 202.120.127.0/24