Summary

NetName
BJR-CERNET
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

2020-09-03T09:16:24Z

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17177856 17961707110400

Whois

inetnum:        101.4.0.0 - 101.7.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:24Z
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

101.5.0.0/24 101.5.1.0/24 101.5.2.0/24 101.5.3.0/24
101.5.5.0/24 101.5.6.0/24 101.5.7.0/24 101.5.8.0/24
101.5.10.0/24 101.5.11.0/24 101.5.12.0/24 101.5.13.0/24
101.5.15.0/24 101.5.16.0/24 101.5.17.0/24 101.5.18.0/24
101.5.20.0/24 101.5.21.0/24 101.5.22.0/24 101.5.23.0/24
101.5.25.0/24 101.5.26.0/24 101.5.27.0/24 101.5.28.0/24
101.5.30.0/24 101.5.31.0/24 101.5.32.0/24 101.5.33.0/24
101.5.35.0/24 101.5.36.0/24 101.5.37.0/24 101.5.38.0/24
101.5.40.0/24 101.5.41.0/24 101.5.42.0/24 101.5.43.0/24
101.5.45.0/24 101.5.46.0/24 101.5.47.0/24 101.5.48.0/24
101.5.50.0/24 101.5.51.0/24 101.5.52.0/24 101.5.53.0/24
101.5.55.0/24 101.5.56.0/24 101.5.57.0/24 101.5.58.0/24
101.5.60.0/24 101.5.61.0/24 101.5.62.0/24 101.5.63.0/24
101.5.65.0/24 101.5.66.0/24 101.5.67.0/24 101.5.68.0/24
101.5.70.0/24 101.5.71.0/24 101.5.72.0/24 101.5.73.0/24
101.5.75.0/24 101.5.76.0/24 101.5.77.0/24 101.5.78.0/24
101.5.80.0/24 101.5.81.0/24 101.5.82.0/24 101.5.83.0/24
101.5.85.0/24 101.5.86.0/24 101.5.87.0/24 101.5.88.0/24
101.5.90.0/24 101.5.91.0/24 101.5.92.0/24 101.5.93.0/24
101.5.95.0/24 101.5.96.0/24 101.5.97.0/24 101.5.98.0/24
101.5.100.0/24 101.5.101.0/24 101.5.102.0/24 101.5.103.0/24
101.5.105.0/24 101.5.106.0/24 101.5.107.0/24 101.5.108.0/24
101.5.110.0/24 101.5.111.0/24 101.5.112.0/24 101.5.113.0/24
101.5.115.0/24 101.5.116.0/24 101.5.117.0/24 101.5.118.0/24
101.5.120.0/24 101.5.121.0/24 101.5.122.0/24 101.5.123.0/24
101.5.125.0/24 101.5.126.0/24 101.5.127.0/24 101.5.128.0/24
101.5.130.0/24 101.5.131.0/24 101.5.132.0/24 101.5.133.0/24
101.5.135.0/24 101.5.136.0/24 101.5.137.0/24 101.5.138.0/24
101.5.140.0/24 101.5.141.0/24 101.5.142.0/24 101.5.143.0/24
101.5.145.0/24 101.5.146.0/24 101.5.147.0/24 101.5.148.0/24
101.5.150.0/24 101.5.151.0/24 101.5.152.0/24 101.5.153.0/24
101.5.155.0/24 101.5.156.0/24 101.5.157.0/24 101.5.158.0/24
101.5.160.0/24 101.5.161.0/24 101.5.162.0/24 101.5.163.0/24
101.5.165.0/24 101.5.166.0/24 101.5.167.0/24 101.5.168.0/24
101.5.170.0/24 101.5.171.0/24 101.5.172.0/24 101.5.173.0/24
101.5.175.0/24 101.5.176.0/24 101.5.177.0/24 101.5.178.0/24
101.5.180.0/24 101.5.181.0/24 101.5.182.0/24 101.5.183.0/24
101.5.185.0/24 101.5.186.0/24 101.5.187.0/24 101.5.188.0/24
101.5.190.0/24 101.5.191.0/24 101.5.192.0/24 101.5.193.0/24
101.5.195.0/24 101.5.196.0/24 101.5.197.0/24 101.5.198.0/24
101.5.200.0/24 101.5.201.0/24 101.5.202.0/24 101.5.203.0/24
101.5.205.0/24 101.5.206.0/24 101.5.207.0/24 101.5.208.0/24
101.5.210.0/24 101.5.211.0/24 101.5.212.0/24 101.5.213.0/24
101.5.215.0/24 101.5.216.0/24 101.5.217.0/24 101.5.218.0/24
101.5.220.0/24 101.5.221.0/24 101.5.222.0/24 101.5.223.0/24
101.5.225.0/24 101.5.226.0/24 101.5.227.0/24 101.5.228.0/24
101.5.230.0/24 101.5.231.0/24 101.5.232.0/24 101.5.233.0/24
101.5.235.0/24 101.5.236.0/24 101.5.237.0/24 101.5.238.0/24
101.5.240.0/24 101.5.241.0/24 101.5.242.0/24 101.5.243.0/24
101.5.245.0/24 101.5.246.0/24 101.5.247.0/24 101.5.248.0/24
101.5.250.0/24 101.5.251.0/24 101.5.252.0/24 101.5.253.0/24
101.5.255.0/24