Summary

NetName
GZR-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

2020-09-03T09:16:13Z

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17177856 17961706979328

Whois

inetnum:        222.200.0.0 - 222.203.255.255
netname:        GZR-CERNET
descr:          China Education and Research Network
descr:          Guangzhou 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:  2020-09-03T09:16:13Z
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

222.202.0.0/24 222.202.1.0/24 222.202.2.0/24 222.202.3.0/24
222.202.5.0/24 222.202.6.0/24 222.202.7.0/24 222.202.8.0/24
222.202.10.0/24 222.202.11.0/24 222.202.12.0/24 222.202.13.0/24
222.202.15.0/24 222.202.16.0/24 222.202.17.0/24 222.202.18.0/24
222.202.20.0/24 222.202.21.0/24 222.202.22.0/24 222.202.23.0/24
222.202.25.0/24 222.202.26.0/24 222.202.27.0/24 222.202.28.0/24
222.202.30.0/24 222.202.31.0/24 222.202.32.0/24 222.202.33.0/24
222.202.35.0/24 222.202.36.0/24 222.202.37.0/24 222.202.38.0/24
222.202.40.0/24 222.202.41.0/24 222.202.42.0/24 222.202.43.0/24
222.202.45.0/24 222.202.46.0/24 222.202.47.0/24 222.202.48.0/24
222.202.50.0/24 222.202.51.0/24 222.202.52.0/24 222.202.53.0/24
222.202.55.0/24 222.202.56.0/24 222.202.57.0/24 222.202.58.0/24
222.202.60.0/24 222.202.61.0/24 222.202.62.0/24 222.202.63.0/24
222.202.65.0/24 222.202.66.0/24 222.202.67.0/24 222.202.68.0/24
222.202.70.0/24 222.202.71.0/24 222.202.72.0/24 222.202.73.0/24
222.202.75.0/24 222.202.76.0/24 222.202.77.0/24 222.202.78.0/24
222.202.80.0/24 222.202.81.0/24 222.202.82.0/24 222.202.83.0/24
222.202.85.0/24 222.202.86.0/24 222.202.87.0/24 222.202.88.0/24
222.202.90.0/24 222.202.91.0/24 222.202.92.0/24 222.202.93.0/24
222.202.95.0/24 222.202.96.0/24 222.202.97.0/24 222.202.98.0/24
222.202.100.0/24 222.202.101.0/24 222.202.102.0/24 222.202.103.0/24
222.202.105.0/24 222.202.106.0/24 222.202.107.0/24 222.202.108.0/24
222.202.110.0/24 222.202.111.0/24 222.202.112.0/24 222.202.113.0/24
222.202.115.0/24 222.202.116.0/24 222.202.117.0/24 222.202.118.0/24
222.202.120.0/24 222.202.121.0/24 222.202.122.0/24 222.202.123.0/24
222.202.125.0/24 222.202.126.0/24 222.202.127.0/24 222.202.128.0/24
222.202.130.0/24 222.202.131.0/24 222.202.132.0/24 222.202.133.0/24
222.202.135.0/24 222.202.136.0/24 222.202.137.0/24 222.202.138.0/24
222.202.140.0/24 222.202.141.0/24 222.202.142.0/24 222.202.143.0/24
222.202.145.0/24 222.202.146.0/24 222.202.147.0/24 222.202.148.0/24
222.202.150.0/24 222.202.151.0/24 222.202.152.0/24 222.202.153.0/24
222.202.155.0/24 222.202.156.0/24 222.202.157.0/24 222.202.158.0/24
222.202.160.0/24 222.202.161.0/24 222.202.162.0/24 222.202.163.0/24
222.202.165.0/24 222.202.166.0/24 222.202.167.0/24 222.202.168.0/24
222.202.170.0/24 222.202.171.0/24 222.202.172.0/24 222.202.173.0/24
222.202.175.0/24 222.202.176.0/24 222.202.177.0/24 222.202.178.0/24
222.202.180.0/24 222.202.181.0/24 222.202.182.0/24 222.202.183.0/24
222.202.185.0/24 222.202.186.0/24 222.202.187.0/24 222.202.188.0/24
222.202.190.0/24 222.202.191.0/24 222.202.192.0/24 222.202.193.0/24
222.202.195.0/24 222.202.196.0/24 222.202.197.0/24 222.202.198.0/24
222.202.200.0/24 222.202.201.0/24 222.202.202.0/24 222.202.203.0/24
222.202.205.0/24 222.202.206.0/24 222.202.207.0/24 222.202.208.0/24
222.202.210.0/24 222.202.211.0/24 222.202.212.0/24 222.202.213.0/24
222.202.215.0/24 222.202.216.0/24 222.202.217.0/24 222.202.218.0/24
222.202.220.0/24 222.202.221.0/24 222.202.222.0/24 222.202.223.0/24
222.202.225.0/24 222.202.226.0/24 222.202.227.0/24 222.202.228.0/24
222.202.230.0/24 222.202.231.0/24 222.202.232.0/24 222.202.233.0/24
222.202.235.0/24 222.202.236.0/24 222.202.237.0/24 222.202.238.0/24
222.202.240.0/24 222.202.241.0/24 222.202.242.0/24 222.202.243.0/24
222.202.245.0/24 222.202.246.0/24 222.202.247.0/24 222.202.248.0/24
222.202.250.0/24 222.202.251.0/24 222.202.252.0/24 222.202.253.0/24
222.202.255.0/24