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

2020-09-03T09:16:18Z

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17177856 17970296848384

Whois

inetnum:        125.216.0.0 - 125.218.255.255
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:  2020-09-03T09:16:18Z
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

125.216.0.0/24 125.216.1.0/24 125.216.2.0/24 125.216.3.0/24
125.216.5.0/24 125.216.6.0/24 125.216.7.0/24 125.216.8.0/24
125.216.10.0/24 125.216.11.0/24 125.216.12.0/24 125.216.13.0/24
125.216.15.0/24 125.216.16.0/24 125.216.17.0/24 125.216.18.0/24
125.216.20.0/24 125.216.21.0/24 125.216.22.0/24 125.216.23.0/24
125.216.25.0/24 125.216.26.0/24 125.216.27.0/24 125.216.28.0/24
125.216.30.0/24 125.216.31.0/24 125.216.32.0/24 125.216.33.0/24
125.216.35.0/24 125.216.36.0/24 125.216.37.0/24 125.216.38.0/24
125.216.40.0/24 125.216.41.0/24 125.216.42.0/24 125.216.43.0/24
125.216.45.0/24 125.216.46.0/24 125.216.47.0/24 125.216.48.0/24
125.216.50.0/24 125.216.51.0/24 125.216.52.0/24 125.216.53.0/24
125.216.55.0/24 125.216.56.0/24 125.216.57.0/24 125.216.58.0/24
125.216.60.0/24 125.216.61.0/24 125.216.62.0/24 125.216.63.0/24
125.216.65.0/24 125.216.66.0/24 125.216.67.0/24 125.216.68.0/24
125.216.70.0/24 125.216.71.0/24 125.216.72.0/24 125.216.73.0/24
125.216.75.0/24 125.216.76.0/24 125.216.77.0/24 125.216.78.0/24
125.216.80.0/24 125.216.81.0/24 125.216.82.0/24 125.216.83.0/24
125.216.85.0/24 125.216.86.0/24 125.216.87.0/24 125.216.88.0/24
125.216.90.0/24 125.216.91.0/24 125.216.92.0/24 125.216.93.0/24
125.216.95.0/24 125.216.96.0/24 125.216.97.0/24 125.216.98.0/24
125.216.100.0/24 125.216.101.0/24 125.216.102.0/24 125.216.103.0/24
125.216.105.0/24 125.216.106.0/24 125.216.107.0/24 125.216.108.0/24
125.216.110.0/24 125.216.111.0/24 125.216.112.0/24 125.216.113.0/24
125.216.115.0/24 125.216.116.0/24 125.216.117.0/24 125.216.118.0/24
125.216.120.0/24 125.216.121.0/24 125.216.122.0/24 125.216.123.0/24
125.216.125.0/24 125.216.126.0/24 125.216.127.0/24 125.216.128.0/24
125.216.130.0/24 125.216.131.0/24 125.216.132.0/24 125.216.133.0/24
125.216.135.0/24 125.216.136.0/24 125.216.137.0/24 125.216.138.0/24
125.216.140.0/24 125.216.141.0/24 125.216.142.0/24 125.216.143.0/24
125.216.145.0/24 125.216.146.0/24 125.216.147.0/24 125.216.148.0/24
125.216.150.0/24 125.216.151.0/24 125.216.152.0/24 125.216.153.0/24
125.216.155.0/24 125.216.156.0/24 125.216.157.0/24 125.216.158.0/24
125.216.160.0/24 125.216.161.0/24 125.216.162.0/24 125.216.163.0/24
125.216.165.0/24 125.216.166.0/24 125.216.167.0/24 125.216.168.0/24
125.216.170.0/24 125.216.171.0/24 125.216.172.0/24 125.216.173.0/24
125.216.175.0/24 125.216.176.0/24 125.216.177.0/24 125.216.178.0/24
125.216.180.0/24 125.216.181.0/24 125.216.182.0/24 125.216.183.0/24
125.216.185.0/24 125.216.186.0/24 125.216.187.0/24 125.216.188.0/24
125.216.190.0/24 125.216.191.0/24 125.216.192.0/24 125.216.193.0/24
125.216.195.0/24 125.216.196.0/24 125.216.197.0/24 125.216.198.0/24
125.216.200.0/24 125.216.201.0/24 125.216.202.0/24 125.216.203.0/24
125.216.205.0/24 125.216.206.0/24 125.216.207.0/24 125.216.208.0/24
125.216.210.0/24 125.216.211.0/24 125.216.212.0/24 125.216.213.0/24
125.216.215.0/24 125.216.216.0/24 125.216.217.0/24 125.216.218.0/24
125.216.220.0/24 125.216.221.0/24 125.216.222.0/24 125.216.223.0/24
125.216.225.0/24 125.216.226.0/24 125.216.227.0/24 125.216.228.0/24
125.216.230.0/24 125.216.231.0/24 125.216.232.0/24 125.216.233.0/24
125.216.235.0/24 125.216.236.0/24 125.216.237.0/24 125.216.238.0/24
125.216.240.0/24 125.216.241.0/24 125.216.242.0/24 125.216.243.0/24
125.216.245.0/24 125.216.246.0/24 125.216.247.0/24 125.216.248.0/24
125.216.250.0/24 125.216.251.0/24 125.216.252.0/24 125.216.253.0/24
125.216.255.0/24