Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-09-03T09:16:07Z

Whois

inetnum:        223.128.0.0 - 223.129.255.255
netname:        CDR-CERNET
descr:          China Education and Research Network
descr:          Chengdu 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:  2020-09-03T09:16:07Z
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] is invalid
mnt-by:         MAINT-CERNET-AP
last-modified:  2024-07-03T13:05:44Z
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:         [email protected]
remarks:        [email protected]
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

CIDR

223.129.128.0/24 223.129.129.0/24 223.129.130.0/24 223.129.131.0/24
223.129.133.0/24 223.129.134.0/24 223.129.135.0/24 223.129.136.0/24
223.129.138.0/24 223.129.139.0/24 223.129.140.0/24 223.129.141.0/24
223.129.143.0/24 223.129.144.0/24 223.129.145.0/24 223.129.146.0/24
223.129.148.0/24 223.129.149.0/24 223.129.150.0/24 223.129.151.0/24
223.129.153.0/24 223.129.154.0/24 223.129.155.0/24 223.129.156.0/24
223.129.158.0/24 223.129.159.0/24 223.129.160.0/24 223.129.161.0/24
223.129.163.0/24 223.129.164.0/24 223.129.165.0/24 223.129.166.0/24
223.129.168.0/24 223.129.169.0/24 223.129.170.0/24 223.129.171.0/24
223.129.173.0/24 223.129.174.0/24 223.129.175.0/24 223.129.176.0/24
223.129.178.0/24 223.129.179.0/24 223.129.180.0/24 223.129.181.0/24
223.129.183.0/24 223.129.184.0/24 223.129.185.0/24 223.129.186.0/24
223.129.188.0/24 223.129.189.0/24 223.129.190.0/24 223.129.191.0/24
223.129.193.0/24 223.129.194.0/24 223.129.195.0/24 223.129.196.0/24
223.129.198.0/24 223.129.199.0/24 223.129.200.0/24 223.129.201.0/24
223.129.203.0/24 223.129.204.0/24 223.129.205.0/24 223.129.206.0/24
223.129.208.0/24 223.129.209.0/24 223.129.210.0/24 223.129.211.0/24
223.129.213.0/24 223.129.214.0/24 223.129.215.0/24 223.129.216.0/24
223.129.218.0/24 223.129.219.0/24 223.129.220.0/24 223.129.221.0/24
223.129.223.0/24 223.129.224.0/24 223.129.225.0/24 223.129.226.0/24
223.129.228.0/24 223.129.229.0/24 223.129.230.0/24 223.129.231.0/24
223.129.233.0/24 223.129.234.0/24 223.129.235.0/24 223.129.236.0/24
223.129.238.0/24 223.129.239.0/24 223.129.240.0/24 223.129.241.0/24
223.129.243.0/24 223.129.244.0/24 223.129.245.0/24 223.129.246.0/24
223.129.248.0/24 223.129.249.0/24 223.129.250.0/24 223.129.251.0/24
223.129.253.0/24 223.129.254.0/24 223.129.255.0/24