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
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17177856 17961707438080

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

202.118.0.0/24 202.118.1.0/24 202.118.2.0/24 202.118.3.0/24
202.118.5.0/24 202.118.6.0/24 202.118.7.0/24 202.118.8.0/24
202.118.10.0/24 202.118.11.0/24 202.118.12.0/24 202.118.13.0/24
202.118.15.0/24 202.118.16.0/24 202.118.17.0/24 202.118.18.0/24
202.118.20.0/24 202.118.21.0/24 202.118.22.0/24 202.118.23.0/24
202.118.25.0/24 202.118.26.0/24 202.118.27.0/24 202.118.28.0/24
202.118.30.0/24 202.118.31.0/24 202.118.32.0/24 202.118.33.0/24
202.118.35.0/24 202.118.36.0/24 202.118.37.0/24 202.118.38.0/24
202.118.40.0/24 202.118.41.0/24 202.118.42.0/24 202.118.43.0/24
202.118.45.0/24 202.118.46.0/24 202.118.47.0/24 202.118.48.0/24
202.118.50.0/24 202.118.51.0/24 202.118.52.0/24 202.118.53.0/24
202.118.55.0/24 202.118.56.0/24 202.118.57.0/24 202.118.58.0/24
202.118.60.0/24 202.118.61.0/24 202.118.62.0/24 202.118.63.0/24
202.118.65.0/24 202.118.66.0/24 202.118.67.0/24 202.118.68.0/24
202.118.70.0/24 202.118.71.0/24 202.118.72.0/24 202.118.73.0/24
202.118.75.0/24 202.118.76.0/24 202.118.77.0/24 202.118.78.0/24
202.118.80.0/24 202.118.81.0/24 202.118.82.0/24 202.118.83.0/24
202.118.85.0/24 202.118.86.0/24 202.118.87.0/24 202.118.88.0/24
202.118.90.0/24 202.118.91.0/24 202.118.92.0/24 202.118.93.0/24
202.118.95.0/24 202.118.96.0/24 202.118.97.0/24 202.118.98.0/24
202.118.100.0/24 202.118.101.0/24 202.118.102.0/24 202.118.103.0/24
202.118.105.0/24 202.118.106.0/24 202.118.107.0/24 202.118.108.0/24
202.118.110.0/24 202.118.111.0/24 202.118.112.0/24 202.118.113.0/24
202.118.115.0/24 202.118.116.0/24 202.118.117.0/24 202.118.118.0/24
202.118.120.0/24 202.118.121.0/24 202.118.122.0/24 202.118.123.0/24
202.118.125.0/24 202.118.126.0/24 202.118.127.0/24 202.118.128.0/24
202.118.130.0/24 202.118.131.0/24 202.118.132.0/24 202.118.133.0/24
202.118.135.0/24 202.118.136.0/24 202.118.137.0/24 202.118.138.0/24
202.118.140.0/24 202.118.141.0/24 202.118.142.0/24 202.118.143.0/24
202.118.145.0/24 202.118.146.0/24 202.118.147.0/24 202.118.148.0/24
202.118.150.0/24 202.118.151.0/24 202.118.152.0/24 202.118.153.0/24
202.118.155.0/24 202.118.156.0/24 202.118.157.0/24 202.118.158.0/24
202.118.160.0/24 202.118.161.0/24 202.118.162.0/24 202.118.163.0/24
202.118.165.0/24 202.118.166.0/24 202.118.167.0/24 202.118.168.0/24
202.118.170.0/24 202.118.171.0/24 202.118.172.0/24 202.118.173.0/24
202.118.175.0/24 202.118.176.0/24 202.118.177.0/24 202.118.178.0/24
202.118.180.0/24 202.118.181.0/24 202.118.182.0/24 202.118.183.0/24
202.118.185.0/24 202.118.186.0/24 202.118.187.0/24 202.118.188.0/24
202.118.190.0/24 202.118.191.0/24 202.118.192.0/24 202.118.193.0/24
202.118.195.0/24 202.118.196.0/24 202.118.197.0/24 202.118.198.0/24
202.118.200.0/24 202.118.201.0/24 202.118.202.0/24 202.118.203.0/24
202.118.205.0/24 202.118.206.0/24 202.118.207.0/24 202.118.208.0/24
202.118.210.0/24 202.118.211.0/24 202.118.212.0/24 202.118.213.0/24
202.118.215.0/24 202.118.216.0/24 202.118.217.0/24 202.118.218.0/24
202.118.220.0/24 202.118.221.0/24 202.118.222.0/24 202.118.223.0/24
202.118.225.0/24 202.118.226.0/24 202.118.227.0/24 202.118.228.0/24
202.118.230.0/24 202.118.231.0/24 202.118.232.0/24 202.118.233.0/24
202.118.235.0/24 202.118.236.0/24 202.118.237.0/24 202.118.238.0/24
202.118.240.0/24 202.118.241.0/24 202.118.242.0/24 202.118.243.0/24
202.118.245.0/24 202.118.246.0/24 202.118.247.0/24 202.118.248.0/24
202.118.250.0/24 202.118.251.0/24 202.118.252.0/24 202.118.253.0/24
202.118.255.0/24