Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-09-03T09:16:13Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street, CN China 110727952 17592187813888
AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN China 58944512 1733024481280

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

183.172.128.0/24 183.172.129.0/24 183.172.130.0/24 183.172.131.0/24
183.172.133.0/24 183.172.134.0/24 183.172.135.0/24 183.172.136.0/24
183.172.138.0/24 183.172.139.0/24 183.172.140.0/24 183.172.141.0/24
183.172.143.0/24 183.172.144.0/24 183.172.145.0/24 183.172.146.0/24
183.172.148.0/24 183.172.149.0/24 183.172.150.0/24 183.172.151.0/24
183.172.153.0/24 183.172.154.0/24 183.172.155.0/24 183.172.156.0/24
183.172.158.0/24 183.172.159.0/24 183.172.160.0/24 183.172.161.0/24
183.172.163.0/24 183.172.164.0/24 183.172.165.0/24 183.172.166.0/24
183.172.168.0/24 183.172.169.0/24 183.172.170.0/24 183.172.171.0/24
183.172.173.0/24 183.172.174.0/24 183.172.175.0/24 183.172.176.0/24
183.172.178.0/24 183.172.179.0/24 183.172.180.0/24 183.172.181.0/24
183.172.183.0/24 183.172.184.0/24 183.172.185.0/24 183.172.186.0/24
183.172.188.0/24 183.172.189.0/24 183.172.190.0/24 183.172.191.0/24
183.172.193.0/24 183.172.194.0/24 183.172.195.0/24 183.172.196.0/24
183.172.198.0/24 183.172.199.0/24 183.172.200.0/24 183.172.201.0/24
183.172.203.0/24 183.172.204.0/24 183.172.205.0/24 183.172.206.0/24
183.172.208.0/24 183.172.209.0/24 183.172.210.0/24 183.172.211.0/24
183.172.213.0/24 183.172.214.0/24 183.172.215.0/24 183.172.216.0/24
183.172.218.0/24 183.172.219.0/24 183.172.220.0/24 183.172.221.0/24
183.172.223.0/24 183.172.224.0/24 183.172.225.0/24 183.172.226.0/24
183.172.228.0/24 183.172.229.0/24 183.172.230.0/24 183.172.231.0/24
183.172.233.0/24 183.172.234.0/24 183.172.235.0/24 183.172.236.0/24
183.172.238.0/24 183.172.239.0/24 183.172.240.0/24 183.172.241.0/24
183.172.243.0/24 183.172.244.0/24 183.172.245.0/24 183.172.246.0/24
183.172.248.0/24 183.172.249.0/24 183.172.250.0/24 183.172.251.0/24
183.172.253.0/24 183.172.254.0/24 183.172.255.0/24