Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

Abuse

Contact
RegDate

Updated

2020-09-03T09:16:27Z

Whois

inetnum:        222.20.0.0 - 222.22.255.255
netname:        WHR-CERNET
descr:          China Education and Research Network
descr:          Wuhan Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:27Z
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

222.20.0.0/24 222.20.1.0/24 222.20.2.0/24 222.20.3.0/24
222.20.5.0/24 222.20.6.0/24 222.20.7.0/24 222.20.8.0/24
222.20.10.0/24 222.20.11.0/24 222.20.12.0/24 222.20.13.0/24
222.20.15.0/24 222.20.16.0/24 222.20.17.0/24 222.20.18.0/24
222.20.20.0/24 222.20.21.0/24 222.20.22.0/24 222.20.23.0/24
222.20.25.0/24 222.20.26.0/24 222.20.27.0/24 222.20.28.0/24
222.20.30.0/24 222.20.31.0/24 222.20.32.0/24 222.20.33.0/24
222.20.35.0/24 222.20.36.0/24 222.20.37.0/24 222.20.38.0/24
222.20.40.0/24 222.20.41.0/24 222.20.42.0/24 222.20.43.0/24
222.20.45.0/24 222.20.46.0/24 222.20.47.0/24 222.20.48.0/24
222.20.50.0/24 222.20.51.0/24 222.20.52.0/24 222.20.53.0/24
222.20.55.0/24 222.20.56.0/24 222.20.57.0/24 222.20.58.0/24
222.20.60.0/24 222.20.61.0/24 222.20.62.0/24 222.20.63.0/24
222.20.65.0/24 222.20.66.0/24 222.20.67.0/24 222.20.68.0/24
222.20.70.0/24 222.20.71.0/24 222.20.72.0/24 222.20.73.0/24
222.20.75.0/24 222.20.76.0/24 222.20.77.0/24 222.20.78.0/24
222.20.80.0/24 222.20.81.0/24 222.20.82.0/24 222.20.83.0/24
222.20.85.0/24 222.20.86.0/24 222.20.87.0/24 222.20.88.0/24
222.20.90.0/24 222.20.91.0/24 222.20.92.0/24 222.20.93.0/24
222.20.95.0/24 222.20.96.0/24 222.20.97.0/24 222.20.98.0/24
222.20.100.0/24 222.20.101.0/24 222.20.102.0/24 222.20.103.0/24
222.20.105.0/24 222.20.106.0/24 222.20.107.0/24 222.20.108.0/24
222.20.110.0/24 222.20.111.0/24 222.20.112.0/24 222.20.113.0/24
222.20.115.0/24 222.20.116.0/24 222.20.117.0/24 222.20.118.0/24
222.20.120.0/24 222.20.121.0/24 222.20.122.0/24 222.20.123.0/24
222.20.125.0/24 222.20.126.0/24 222.20.127.0/24 222.20.128.0/24
222.20.130.0/24 222.20.131.0/24 222.20.132.0/24 222.20.133.0/24
222.20.135.0/24 222.20.136.0/24 222.20.137.0/24 222.20.138.0/24
222.20.140.0/24 222.20.141.0/24 222.20.142.0/24 222.20.143.0/24
222.20.145.0/24 222.20.146.0/24 222.20.147.0/24 222.20.148.0/24
222.20.150.0/24 222.20.151.0/24 222.20.152.0/24 222.20.153.0/24
222.20.155.0/24 222.20.156.0/24 222.20.157.0/24 222.20.158.0/24
222.20.160.0/24 222.20.161.0/24 222.20.162.0/24 222.20.163.0/24
222.20.165.0/24 222.20.166.0/24 222.20.167.0/24 222.20.168.0/24
222.20.170.0/24 222.20.171.0/24 222.20.172.0/24 222.20.173.0/24
222.20.175.0/24 222.20.176.0/24 222.20.177.0/24 222.20.178.0/24
222.20.180.0/24 222.20.181.0/24 222.20.182.0/24 222.20.183.0/24
222.20.185.0/24 222.20.186.0/24 222.20.187.0/24 222.20.188.0/24
222.20.190.0/24 222.20.191.0/24 222.20.192.0/24 222.20.193.0/24
222.20.195.0/24 222.20.196.0/24 222.20.197.0/24 222.20.198.0/24
222.20.200.0/24 222.20.201.0/24 222.20.202.0/24 222.20.203.0/24
222.20.205.0/24 222.20.206.0/24 222.20.207.0/24 222.20.208.0/24
222.20.210.0/24 222.20.211.0/24 222.20.212.0/24 222.20.213.0/24
222.20.215.0/24 222.20.216.0/24 222.20.217.0/24 222.20.218.0/24
222.20.220.0/24 222.20.221.0/24 222.20.222.0/24 222.20.223.0/24
222.20.225.0/24 222.20.226.0/24 222.20.227.0/24 222.20.228.0/24
222.20.230.0/24 222.20.231.0/24 222.20.232.0/24 222.20.233.0/24
222.20.235.0/24 222.20.236.0/24 222.20.237.0/24 222.20.238.0/24
222.20.240.0/24 222.20.241.0/24 222.20.242.0/24 222.20.243.0/24
222.20.245.0/24 222.20.246.0/24 222.20.247.0/24 222.20.248.0/24
222.20.250.0/24 222.20.251.0/24 222.20.252.0/24 222.20.253.0/24
222.20.255.0/24 222.21.0.0/24 222.21.1.0/24 222.21.2.0/24
222.21.4.0/24 222.21.5.0/24 222.21.6.0/24 222.21.7.0/24
222.21.9.0/24 222.21.10.0/24 222.21.11.0/24 222.21.12.0/24
222.21.14.0/24 222.21.15.0/24 222.21.16.0/24 222.21.17.0/24
222.21.19.0/24 222.21.20.0/24 222.21.21.0/24 222.21.22.0/24
222.21.24.0/24 222.21.25.0/24 222.21.26.0/24 222.21.27.0/24
222.21.29.0/24 222.21.30.0/24 222.21.31.0/24 222.21.32.0/24
222.21.34.0/24 222.21.35.0/24 222.21.36.0/24 222.21.37.0/24
222.21.39.0/24 222.21.40.0/24 222.21.41.0/24 222.21.42.0/24
222.21.44.0/24 222.21.45.0/24 222.21.46.0/24 222.21.47.0/24
222.21.49.0/24 222.21.50.0/24 222.21.51.0/24 222.21.52.0/24
222.21.54.0/24 222.21.55.0/24 222.21.56.0/24 222.21.57.0/24
222.21.59.0/24 222.21.60.0/24 222.21.61.0/24 222.21.62.0/24
222.21.64.0/24 222.21.65.0/24 222.21.66.0/24 222.21.67.0/24
222.21.69.0/24 222.21.70.0/24 222.21.71.0/24 222.21.72.0/24
222.21.74.0/24 222.21.75.0/24 222.21.76.0/24 222.21.77.0/24
222.21.79.0/24 222.21.80.0/24 222.21.81.0/24 222.21.82.0/24
222.21.84.0/24 222.21.85.0/24 222.21.86.0/24 222.21.87.0/24
222.21.89.0/24 222.21.90.0/24 222.21.91.0/24 222.21.92.0/24
222.21.94.0/24 222.21.95.0/24 222.21.96.0/24 222.21.97.0/24
222.21.99.0/24 222.21.100.0/24 222.21.101.0/24 222.21.102.0/24
222.21.104.0/24 222.21.105.0/24 222.21.106.0/24 222.21.107.0/24
222.21.109.0/24 222.21.110.0/24 222.21.111.0/24 222.21.112.0/24
222.21.114.0/24 222.21.115.0/24 222.21.116.0/24 222.21.117.0/24
222.21.119.0/24 222.21.120.0/24 222.21.121.0/24 222.21.122.0/24
222.21.124.0/24 222.21.125.0/24 222.21.126.0/24 222.21.127.0/24
222.21.129.0/24 222.21.130.0/24 222.21.131.0/24 222.21.132.0/24
222.21.134.0/24 222.21.135.0/24 222.21.136.0/24 222.21.137.0/24
222.21.139.0/24 222.21.140.0/24 222.21.141.0/24 222.21.142.0/24
222.21.144.0/24 222.21.145.0/24 222.21.146.0/24 222.21.147.0/24
222.21.149.0/24 222.21.150.0/24 222.21.151.0/24 222.21.152.0/24
222.21.154.0/24 222.21.155.0/24 222.21.156.0/24 222.21.157.0/24
222.21.159.0/24 222.21.160.0/24 222.21.161.0/24 222.21.162.0/24
222.21.164.0/24 222.21.165.0/24 222.21.166.0/24 222.21.167.0/24
222.21.169.0/24 222.21.170.0/24 222.21.171.0/24 222.21.172.0/24
222.21.174.0/24 222.21.175.0/24 222.21.176.0/24 222.21.177.0/24
222.21.179.0/24 222.21.180.0/24 222.21.181.0/24 222.21.182.0/24
222.21.184.0/24 222.21.185.0/24 222.21.186.0/24 222.21.187.0/24
222.21.189.0/24 222.21.190.0/24 222.21.191.0/24 222.21.192.0/24
222.21.194.0/24 222.21.195.0/24 222.21.196.0/24 222.21.197.0/24
222.21.199.0/24 222.21.200.0/24 222.21.201.0/24 222.21.202.0/24
222.21.204.0/24 222.21.205.0/24 222.21.206.0/24 222.21.207.0/24
222.21.209.0/24 222.21.210.0/24 222.21.211.0/24 222.21.212.0/24
222.21.214.0/24 222.21.215.0/24 222.21.216.0/24 222.21.217.0/24
222.21.219.0/24 222.21.220.0/24 222.21.221.0/24 222.21.222.0/24
222.21.224.0/24 222.21.225.0/24 222.21.226.0/24 222.21.227.0/24
222.21.229.0/24 222.21.230.0/24 222.21.231.0/24 222.21.232.0/24
222.21.234.0/24 222.21.235.0/24 222.21.236.0/24 222.21.237.0/24
222.21.239.0/24 222.21.240.0/24 222.21.241.0/24 222.21.242.0/24
222.21.244.0/24 222.21.245.0/24 222.21.246.0/24 222.21.247.0/24
222.21.249.0/24 222.21.250.0/24 222.21.251.0/24 222.21.252.0/24
222.21.254.0/24 222.21.255.0/24