Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-10-20T00:56:38Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN China 57728768 1728775651328

Whois

inetnum:        218.193.0.0 - 218.193.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Shanghai Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:38Z
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

218.193.128.0/24 218.193.129.0/24 218.193.130.0/24 218.193.131.0/24
218.193.133.0/24 218.193.134.0/24 218.193.135.0/24 218.193.136.0/24
218.193.138.0/24 218.193.139.0/24 218.193.140.0/24 218.193.141.0/24
218.193.143.0/24 218.193.144.0/24 218.193.145.0/24 218.193.146.0/24
218.193.148.0/24 218.193.149.0/24 218.193.150.0/24 218.193.151.0/24
218.193.153.0/24 218.193.154.0/24 218.193.155.0/24 218.193.156.0/24
218.193.158.0/24 218.193.159.0/24 218.193.160.0/24 218.193.161.0/24
218.193.163.0/24 218.193.164.0/24 218.193.165.0/24 218.193.166.0/24
218.193.168.0/24 218.193.169.0/24 218.193.170.0/24 218.193.171.0/24
218.193.173.0/24 218.193.174.0/24 218.193.175.0/24 218.193.176.0/24
218.193.178.0/24 218.193.179.0/24 218.193.180.0/24 218.193.181.0/24
218.193.183.0/24 218.193.184.0/24 218.193.185.0/24 218.193.186.0/24
218.193.188.0/24 218.193.189.0/24 218.193.190.0/24 218.193.191.0/24
218.193.193.0/24 218.193.194.0/24 218.193.195.0/24 218.193.196.0/24
218.193.198.0/24 218.193.199.0/24 218.193.200.0/24 218.193.201.0/24
218.193.203.0/24 218.193.204.0/24 218.193.205.0/24 218.193.206.0/24
218.193.208.0/24 218.193.209.0/24 218.193.210.0/24 218.193.211.0/24
218.193.213.0/24 218.193.214.0/24 218.193.215.0/24 218.193.216.0/24
218.193.218.0/24 218.193.219.0/24 218.193.220.0/24 218.193.221.0/24
218.193.223.0/24 218.193.224.0/24 218.193.225.0/24 218.193.226.0/24
218.193.228.0/24 218.193.229.0/24 218.193.230.0/24 218.193.231.0/24
218.193.233.0/24 218.193.234.0/24 218.193.235.0/24 218.193.236.0/24
218.193.238.0/24 218.193.239.0/24 218.193.240.0/24 218.193.241.0/24
218.193.243.0/24 218.193.244.0/24 218.193.245.0/24 218.193.246.0/24
218.193.248.0/24 218.193.249.0/24 218.193.250.0/24 218.193.251.0/24
218.193.253.0/24 218.193.254.0/24 218.193.255.0/24