Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

Abuse

Contact
RegDate

Updated

2020-09-03T09:16:16Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs

Whois

inetnum:        118.228.0.0 - 118.229.255.255
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:  2020-09-03T09:16:16Z
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 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
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

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 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
source:         APNIC

Graph

CIDR

118.228.0.0/24 118.228.1.0/24 118.228.2.0/24 118.228.3.0/24
118.228.5.0/24 118.228.6.0/24 118.228.7.0/24 118.228.8.0/24
118.228.10.0/24 118.228.11.0/24 118.228.12.0/24 118.228.13.0/24
118.228.15.0/24 118.228.16.0/24 118.228.17.0/24 118.228.18.0/24
118.228.20.0/24 118.228.21.0/24 118.228.22.0/24 118.228.23.0/24
118.228.25.0/24 118.228.26.0/24 118.228.27.0/24 118.228.28.0/24
118.228.30.0/24 118.228.31.0/24 118.228.32.0/24 118.228.33.0/24
118.228.35.0/24 118.228.36.0/24 118.228.37.0/24 118.228.38.0/24
118.228.40.0/24 118.228.41.0/24 118.228.42.0/24 118.228.43.0/24
118.228.45.0/24 118.228.46.0/24 118.228.47.0/24 118.228.48.0/24
118.228.50.0/24 118.228.51.0/24 118.228.52.0/24 118.228.53.0/24
118.228.55.0/24 118.228.56.0/24 118.228.57.0/24 118.228.58.0/24
118.228.60.0/24 118.228.61.0/24 118.228.62.0/24 118.228.63.0/24
118.228.65.0/24 118.228.66.0/24 118.228.67.0/24 118.228.68.0/24
118.228.70.0/24 118.228.71.0/24 118.228.72.0/24 118.228.73.0/24
118.228.75.0/24 118.228.76.0/24 118.228.77.0/24 118.228.78.0/24
118.228.80.0/24 118.228.81.0/24 118.228.82.0/24 118.228.83.0/24
118.228.85.0/24 118.228.86.0/24 118.228.87.0/24 118.228.88.0/24
118.228.90.0/24 118.228.91.0/24 118.228.92.0/24 118.228.93.0/24
118.228.95.0/24 118.228.96.0/24 118.228.97.0/24 118.228.98.0/24
118.228.100.0/24 118.228.101.0/24 118.228.102.0/24 118.228.103.0/24
118.228.105.0/24 118.228.106.0/24 118.228.107.0/24 118.228.108.0/24
118.228.110.0/24 118.228.111.0/24 118.228.112.0/24 118.228.113.0/24
118.228.115.0/24 118.228.116.0/24 118.228.117.0/24 118.228.118.0/24
118.228.120.0/24 118.228.121.0/24 118.228.122.0/24 118.228.123.0/24
118.228.125.0/24 118.228.126.0/24 118.228.127.0/24 118.228.128.0/24
118.228.130.0/24 118.228.131.0/24 118.228.132.0/24 118.228.133.0/24
118.228.135.0/24 118.228.136.0/24 118.228.137.0/24 118.228.138.0/24
118.228.140.0/24 118.228.141.0/24 118.228.142.0/24 118.228.143.0/24
118.228.145.0/24 118.228.146.0/24 118.228.147.0/24 118.228.148.0/24
118.228.150.0/24 118.228.151.0/24 118.228.152.0/24 118.228.153.0/24
118.228.155.0/24 118.228.156.0/24 118.228.157.0/24 118.228.158.0/24
118.228.160.0/24 118.228.161.0/24 118.228.162.0/24 118.228.163.0/24
118.228.165.0/24 118.228.166.0/24 118.228.167.0/24 118.228.168.0/24
118.228.170.0/24 118.228.171.0/24 118.228.172.0/24 118.228.173.0/24
118.228.175.0/24 118.228.176.0/24 118.228.177.0/24 118.228.178.0/24
118.228.180.0/24 118.228.181.0/24 118.228.182.0/24 118.228.183.0/24
118.228.185.0/24 118.228.186.0/24 118.228.187.0/24 118.228.188.0/24
118.228.190.0/24 118.228.191.0/24 118.228.192.0/24 118.228.193.0/24
118.228.195.0/24 118.228.196.0/24 118.228.197.0/24 118.228.198.0/24
118.228.200.0/24 118.228.201.0/24 118.228.202.0/24 118.228.203.0/24
118.228.205.0/24 118.228.206.0/24 118.228.207.0/24 118.228.208.0/24
118.228.210.0/24 118.228.211.0/24 118.228.212.0/24 118.228.213.0/24
118.228.215.0/24 118.228.216.0/24 118.228.217.0/24 118.228.218.0/24
118.228.220.0/24 118.228.221.0/24 118.228.222.0/24 118.228.223.0/24
118.228.225.0/24 118.228.226.0/24 118.228.227.0/24 118.228.228.0/24
118.228.230.0/24 118.228.231.0/24 118.228.232.0/24 118.228.233.0/24
118.228.235.0/24 118.228.236.0/24 118.228.237.0/24 118.228.238.0/24
118.228.240.0/24 118.228.241.0/24 118.228.242.0/24 118.228.243.0/24
118.228.245.0/24 118.228.246.0/24 118.228.247.0/24 118.228.248.0/24
118.228.250.0/24 118.228.251.0/24 118.228.252.0/24 118.228.253.0/24
118.228.255.0/24