Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-09-03T09:16:13Z

Whois

inetnum:        183.172.0.0 - 183.175.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing 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:  2020-09-03T09:16:13Z
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

183.173.128.0/24 183.173.129.0/24 183.173.130.0/24 183.173.131.0/24
183.173.133.0/24 183.173.134.0/24 183.173.135.0/24 183.173.136.0/24
183.173.138.0/24 183.173.139.0/24 183.173.140.0/24 183.173.141.0/24
183.173.143.0/24 183.173.144.0/24 183.173.145.0/24 183.173.146.0/24
183.173.148.0/24 183.173.149.0/24 183.173.150.0/24 183.173.151.0/24
183.173.153.0/24 183.173.154.0/24 183.173.155.0/24 183.173.156.0/24
183.173.158.0/24 183.173.159.0/24 183.173.160.0/24 183.173.161.0/24
183.173.163.0/24 183.173.164.0/24 183.173.165.0/24 183.173.166.0/24
183.173.168.0/24 183.173.169.0/24 183.173.170.0/24 183.173.171.0/24
183.173.173.0/24 183.173.174.0/24 183.173.175.0/24 183.173.176.0/24
183.173.178.0/24 183.173.179.0/24 183.173.180.0/24 183.173.181.0/24
183.173.183.0/24 183.173.184.0/24 183.173.185.0/24 183.173.186.0/24
183.173.188.0/24 183.173.189.0/24 183.173.190.0/24 183.173.191.0/24
183.173.193.0/24 183.173.194.0/24 183.173.195.0/24 183.173.196.0/24
183.173.198.0/24 183.173.199.0/24 183.173.200.0/24 183.173.201.0/24
183.173.203.0/24 183.173.204.0/24 183.173.205.0/24 183.173.206.0/24
183.173.208.0/24 183.173.209.0/24 183.173.210.0/24 183.173.211.0/24
183.173.213.0/24 183.173.214.0/24 183.173.215.0/24 183.173.216.0/24
183.173.218.0/24 183.173.219.0/24 183.173.220.0/24 183.173.221.0/24
183.173.223.0/24 183.173.224.0/24 183.173.225.0/24 183.173.226.0/24
183.173.228.0/24 183.173.229.0/24 183.173.230.0/24 183.173.231.0/24
183.173.233.0/24 183.173.234.0/24 183.173.235.0/24 183.173.236.0/24
183.173.238.0/24 183.173.239.0/24 183.173.240.0/24 183.173.241.0/24
183.173.243.0/24 183.173.244.0/24 183.173.245.0/24 183.173.246.0/24
183.173.248.0/24 183.173.249.0/24 183.173.250.0/24 183.173.251.0/24
183.173.253.0/24 183.173.254.0/24 183.173.255.0/24