Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-10-20T00:56:14Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17172736 17970298617856

Whois

inetnum:        211.81.0.0 - 211.82.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        JW1-CN
tech-c:         XL1-CN
tech-c:         SZ2-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:14Z
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

person:         Jianping Wu
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        JW1-CN
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:25Z
source:         APNIC

person:         Xing Li
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        XL1-CN
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:25Z
source:         APNIC

CIDR

211.81.128.0/24 211.81.129.0/24 211.81.130.0/24 211.81.131.0/24
211.81.133.0/24 211.81.134.0/24 211.81.135.0/24 211.81.136.0/24
211.81.138.0/24 211.81.139.0/24 211.81.140.0/24 211.81.141.0/24
211.81.143.0/24 211.81.144.0/24 211.81.145.0/24 211.81.146.0/24
211.81.148.0/24 211.81.149.0/24 211.81.150.0/24 211.81.151.0/24
211.81.153.0/24 211.81.154.0/24 211.81.155.0/24 211.81.156.0/24
211.81.158.0/24 211.81.159.0/24 211.81.160.0/24 211.81.161.0/24
211.81.163.0/24 211.81.164.0/24 211.81.165.0/24 211.81.166.0/24
211.81.168.0/24 211.81.169.0/24 211.81.170.0/24 211.81.171.0/24
211.81.173.0/24 211.81.174.0/24 211.81.175.0/24 211.81.176.0/24
211.81.178.0/24 211.81.179.0/24 211.81.180.0/24 211.81.181.0/24
211.81.183.0/24 211.81.184.0/24 211.81.185.0/24 211.81.186.0/24
211.81.188.0/24 211.81.189.0/24 211.81.190.0/24 211.81.191.0/24
211.81.193.0/24 211.81.194.0/24 211.81.195.0/24 211.81.196.0/24
211.81.198.0/24 211.81.199.0/24 211.81.200.0/24 211.81.201.0/24
211.81.203.0/24 211.81.204.0/24 211.81.205.0/24 211.81.206.0/24
211.81.208.0/24 211.81.209.0/24 211.81.210.0/24 211.81.211.0/24
211.81.213.0/24 211.81.214.0/24 211.81.215.0/24 211.81.216.0/24
211.81.218.0/24 211.81.219.0/24 211.81.220.0/24 211.81.221.0/24
211.81.223.0/24 211.81.224.0/24 211.81.225.0/24 211.81.226.0/24
211.81.228.0/24 211.81.229.0/24 211.81.230.0/24 211.81.231.0/24
211.81.233.0/24 211.81.234.0/24 211.81.235.0/24 211.81.236.0/24
211.81.238.0/24 211.81.239.0/24 211.81.240.0/24 211.81.241.0/24
211.81.243.0/24 211.81.244.0/24 211.81.245.0/24 211.81.246.0/24
211.81.248.0/24 211.81.249.0/24 211.81.250.0/24 211.81.251.0/24
211.81.253.0/24 211.81.254.0/24 211.81.255.0/24