Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-09-03T09:16:10Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN China 58946560 1733024481280

Whois

inetnum:        180.84.0.0 - 180.85.255.255
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:        NS2.NET.EDU.CN
remarks:        DNS.EDU.CN
remarks:        DNS2.EDU.CN
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:  2020-09-03T09:16:10Z
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:  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:         [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

180.85.128.0/24 180.85.129.0/24 180.85.130.0/24 180.85.131.0/24
180.85.133.0/24 180.85.134.0/24 180.85.135.0/24 180.85.136.0/24
180.85.138.0/24 180.85.139.0/24 180.85.140.0/24 180.85.141.0/24
180.85.143.0/24 180.85.144.0/24 180.85.145.0/24 180.85.146.0/24
180.85.148.0/24 180.85.149.0/24 180.85.150.0/24 180.85.151.0/24
180.85.153.0/24 180.85.154.0/24 180.85.155.0/24 180.85.156.0/24
180.85.158.0/24 180.85.159.0/24 180.85.160.0/24 180.85.161.0/24
180.85.163.0/24 180.85.164.0/24 180.85.165.0/24 180.85.166.0/24
180.85.168.0/24 180.85.169.0/24 180.85.170.0/24 180.85.171.0/24
180.85.173.0/24 180.85.174.0/24 180.85.175.0/24 180.85.176.0/24
180.85.178.0/24 180.85.179.0/24 180.85.180.0/24 180.85.181.0/24
180.85.183.0/24 180.85.184.0/24 180.85.185.0/24 180.85.186.0/24
180.85.188.0/24 180.85.189.0/24 180.85.190.0/24 180.85.191.0/24
180.85.193.0/24 180.85.194.0/24 180.85.195.0/24 180.85.196.0/24
180.85.198.0/24 180.85.199.0/24 180.85.200.0/24 180.85.201.0/24
180.85.203.0/24 180.85.204.0/24 180.85.205.0/24 180.85.206.0/24
180.85.208.0/24 180.85.209.0/24 180.85.210.0/24 180.85.211.0/24
180.85.213.0/24 180.85.214.0/24 180.85.215.0/24 180.85.216.0/24
180.85.218.0/24 180.85.219.0/24 180.85.220.0/24 180.85.221.0/24
180.85.223.0/24 180.85.224.0/24 180.85.225.0/24 180.85.226.0/24
180.85.228.0/24 180.85.229.0/24 180.85.230.0/24 180.85.231.0/24
180.85.233.0/24 180.85.234.0/24 180.85.235.0/24 180.85.236.0/24
180.85.238.0/24 180.85.239.0/24 180.85.240.0/24 180.85.241.0/24
180.85.243.0/24 180.85.244.0/24 180.85.245.0/24 180.85.246.0/24
180.85.248.0/24 180.85.249.0/24 180.85.250.0/24 180.85.251.0/24
180.85.253.0/24 180.85.254.0/24 180.85.255.0/24