Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

Abuse

Contact
RegDate

Updated

2020-09-03T09:16:23Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs

Whois

inetnum:        222.28.0.0 - 222.31.255.255
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
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:23Z
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

222.28.0.0/24 222.28.1.0/24 222.28.2.0/24 222.28.3.0/24
222.28.5.0/24 222.28.6.0/24 222.28.7.0/24 222.28.8.0/24
222.28.10.0/24 222.28.11.0/24 222.28.12.0/24 222.28.13.0/24
222.28.15.0/24 222.28.16.0/24 222.28.17.0/24 222.28.18.0/24
222.28.20.0/24 222.28.21.0/24 222.28.22.0/24 222.28.23.0/24
222.28.25.0/24 222.28.26.0/24 222.28.27.0/24 222.28.28.0/24
222.28.30.0/24 222.28.31.0/24 222.28.32.0/24 222.28.33.0/24
222.28.35.0/24 222.28.36.0/24 222.28.37.0/24 222.28.38.0/24
222.28.40.0/24 222.28.41.0/24 222.28.42.0/24 222.28.43.0/24
222.28.45.0/24 222.28.46.0/24 222.28.47.0/24 222.28.48.0/24
222.28.50.0/24 222.28.51.0/24 222.28.52.0/24 222.28.53.0/24
222.28.55.0/24 222.28.56.0/24 222.28.57.0/24 222.28.58.0/24
222.28.60.0/24 222.28.61.0/24 222.28.62.0/24 222.28.63.0/24
222.28.65.0/24 222.28.66.0/24 222.28.67.0/24 222.28.68.0/24
222.28.70.0/24 222.28.71.0/24 222.28.72.0/24 222.28.73.0/24
222.28.75.0/24 222.28.76.0/24 222.28.77.0/24 222.28.78.0/24
222.28.80.0/24 222.28.81.0/24 222.28.82.0/24 222.28.83.0/24
222.28.85.0/24 222.28.86.0/24 222.28.87.0/24 222.28.88.0/24
222.28.90.0/24 222.28.91.0/24 222.28.92.0/24 222.28.93.0/24
222.28.95.0/24 222.28.96.0/24 222.28.97.0/24 222.28.98.0/24
222.28.100.0/24 222.28.101.0/24 222.28.102.0/24 222.28.103.0/24
222.28.105.0/24 222.28.106.0/24 222.28.107.0/24 222.28.108.0/24
222.28.110.0/24 222.28.111.0/24 222.28.112.0/24 222.28.113.0/24
222.28.115.0/24 222.28.116.0/24 222.28.117.0/24 222.28.118.0/24
222.28.120.0/24 222.28.121.0/24 222.28.122.0/24 222.28.123.0/24
222.28.125.0/24 222.28.126.0/24 222.28.127.0/24 222.28.128.0/24
222.28.130.0/24 222.28.131.0/24 222.28.132.0/24 222.28.133.0/24
222.28.135.0/24 222.28.136.0/24 222.28.137.0/24 222.28.138.0/24
222.28.140.0/24 222.28.141.0/24 222.28.142.0/24 222.28.143.0/24
222.28.145.0/24 222.28.146.0/24 222.28.147.0/24 222.28.148.0/24
222.28.150.0/24 222.28.151.0/24 222.28.152.0/24 222.28.153.0/24
222.28.155.0/24 222.28.156.0/24 222.28.157.0/24 222.28.158.0/24
222.28.160.0/24 222.28.161.0/24 222.28.162.0/24 222.28.163.0/24
222.28.165.0/24 222.28.166.0/24 222.28.167.0/24 222.28.168.0/24
222.28.170.0/24 222.28.171.0/24 222.28.172.0/24 222.28.173.0/24
222.28.175.0/24 222.28.176.0/24 222.28.177.0/24 222.28.178.0/24
222.28.180.0/24 222.28.181.0/24 222.28.182.0/24 222.28.183.0/24
222.28.185.0/24 222.28.186.0/24 222.28.187.0/24 222.28.188.0/24
222.28.190.0/24 222.28.191.0/24 222.28.192.0/24 222.28.193.0/24
222.28.195.0/24 222.28.196.0/24 222.28.197.0/24 222.28.198.0/24
222.28.200.0/24 222.28.201.0/24 222.28.202.0/24 222.28.203.0/24
222.28.205.0/24 222.28.206.0/24 222.28.207.0/24 222.28.208.0/24
222.28.210.0/24 222.28.211.0/24 222.28.212.0/24 222.28.213.0/24
222.28.215.0/24 222.28.216.0/24 222.28.217.0/24 222.28.218.0/24
222.28.220.0/24 222.28.221.0/24 222.28.222.0/24 222.28.223.0/24
222.28.225.0/24 222.28.226.0/24 222.28.227.0/24 222.28.228.0/24
222.28.230.0/24 222.28.231.0/24 222.28.232.0/24 222.28.233.0/24
222.28.235.0/24 222.28.236.0/24 222.28.237.0/24 222.28.238.0/24
222.28.240.0/24 222.28.241.0/24 222.28.242.0/24 222.28.243.0/24
222.28.245.0/24 222.28.246.0/24 222.28.247.0/24 222.28.248.0/24
222.28.250.0/24 222.28.251.0/24 222.28.252.0/24 222.28.253.0/24
222.28.255.0/24 222.29.0.0/24 222.29.1.0/24 222.29.2.0/24
222.29.4.0/24 222.29.5.0/24 222.29.6.0/24 222.29.7.0/24
222.29.9.0/24 222.29.10.0/24 222.29.11.0/24 222.29.12.0/24
222.29.14.0/24 222.29.15.0/24 222.29.16.0/24 222.29.17.0/24
222.29.19.0/24 222.29.20.0/24 222.29.21.0/24 222.29.22.0/24
222.29.24.0/24 222.29.25.0/24 222.29.26.0/24 222.29.27.0/24
222.29.29.0/24 222.29.30.0/24 222.29.31.0/24 222.29.32.0/24
222.29.34.0/24 222.29.35.0/24 222.29.36.0/24 222.29.37.0/24
222.29.39.0/24 222.29.40.0/24 222.29.41.0/24 222.29.42.0/24
222.29.44.0/24 222.29.45.0/24 222.29.46.0/24 222.29.47.0/24
222.29.49.0/24 222.29.50.0/24 222.29.51.0/24 222.29.52.0/24
222.29.54.0/24 222.29.55.0/24 222.29.56.0/24 222.29.57.0/24
222.29.59.0/24 222.29.60.0/24 222.29.61.0/24 222.29.62.0/24
222.29.64.0/24 222.29.65.0/24 222.29.66.0/24 222.29.67.0/24
222.29.69.0/24 222.29.70.0/24 222.29.71.0/24 222.29.72.0/24
222.29.74.0/24 222.29.75.0/24 222.29.76.0/24 222.29.77.0/24
222.29.79.0/24 222.29.80.0/24 222.29.81.0/24 222.29.82.0/24
222.29.84.0/24 222.29.85.0/24 222.29.86.0/24 222.29.87.0/24
222.29.89.0/24 222.29.90.0/24 222.29.91.0/24 222.29.92.0/24
222.29.94.0/24 222.29.95.0/24 222.29.96.0/24 222.29.97.0/24
222.29.99.0/24 222.29.100.0/24 222.29.101.0/24 222.29.102.0/24
222.29.104.0/24 222.29.105.0/24 222.29.106.0/24 222.29.107.0/24
222.29.109.0/24 222.29.110.0/24 222.29.111.0/24 222.29.112.0/24
222.29.114.0/24 222.29.115.0/24 222.29.116.0/24 222.29.117.0/24
222.29.119.0/24 222.29.120.0/24 222.29.121.0/24 222.29.122.0/24
222.29.124.0/24 222.29.125.0/24 222.29.126.0/24 222.29.127.0/24
222.29.129.0/24 222.29.130.0/24 222.29.131.0/24 222.29.132.0/24
222.29.134.0/24 222.29.135.0/24 222.29.136.0/24 222.29.137.0/24
222.29.139.0/24 222.29.140.0/24 222.29.141.0/24 222.29.142.0/24
222.29.144.0/24 222.29.145.0/24 222.29.146.0/24 222.29.147.0/24
222.29.149.0/24 222.29.150.0/24 222.29.151.0/24 222.29.152.0/24
222.29.154.0/24 222.29.155.0/24 222.29.156.0/24 222.29.157.0/24
222.29.159.0/24 222.29.160.0/24 222.29.161.0/24 222.29.162.0/24
222.29.164.0/24 222.29.165.0/24 222.29.166.0/24 222.29.167.0/24
222.29.169.0/24 222.29.170.0/24 222.29.171.0/24 222.29.172.0/24
222.29.174.0/24 222.29.175.0/24 222.29.176.0/24 222.29.177.0/24
222.29.179.0/24 222.29.180.0/24 222.29.181.0/24 222.29.182.0/24
222.29.184.0/24 222.29.185.0/24 222.29.186.0/24 222.29.187.0/24
222.29.189.0/24 222.29.190.0/24 222.29.191.0/24 222.29.192.0/24
222.29.194.0/24 222.29.195.0/24 222.29.196.0/24 222.29.197.0/24
222.29.199.0/24 222.29.200.0/24 222.29.201.0/24 222.29.202.0/24
222.29.204.0/24 222.29.205.0/24 222.29.206.0/24 222.29.207.0/24
222.29.209.0/24 222.29.210.0/24 222.29.211.0/24 222.29.212.0/24
222.29.214.0/24 222.29.215.0/24 222.29.216.0/24 222.29.217.0/24
222.29.219.0/24 222.29.220.0/24 222.29.221.0/24 222.29.222.0/24
222.29.224.0/24 222.29.225.0/24 222.29.226.0/24 222.29.227.0/24
222.29.229.0/24 222.29.230.0/24 222.29.231.0/24 222.29.232.0/24
222.29.234.0/24 222.29.235.0/24 222.29.236.0/24 222.29.237.0/24
222.29.239.0/24 222.29.240.0/24 222.29.241.0/24 222.29.242.0/24
222.29.244.0/24 222.29.245.0/24 222.29.246.0/24 222.29.247.0/24
222.29.249.0/24 222.29.250.0/24 222.29.251.0/24 222.29.252.0/24
222.29.254.0/24 222.29.255.0/24