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

183.173.0.0/24 183.173.1.0/24 183.173.2.0/24 183.173.3.0/24
183.173.5.0/24 183.173.6.0/24 183.173.7.0/24 183.173.8.0/24
183.173.10.0/24 183.173.11.0/24 183.173.12.0/24 183.173.13.0/24
183.173.15.0/24 183.173.16.0/24 183.173.17.0/24 183.173.18.0/24
183.173.20.0/24 183.173.21.0/24 183.173.22.0/24 183.173.23.0/24
183.173.25.0/24 183.173.26.0/24 183.173.27.0/24 183.173.28.0/24
183.173.30.0/24 183.173.31.0/24 183.173.32.0/24 183.173.33.0/24
183.173.35.0/24 183.173.36.0/24 183.173.37.0/24 183.173.38.0/24
183.173.40.0/24 183.173.41.0/24 183.173.42.0/24 183.173.43.0/24
183.173.45.0/24 183.173.46.0/24 183.173.47.0/24 183.173.48.0/24
183.173.50.0/24 183.173.51.0/24 183.173.52.0/24 183.173.53.0/24
183.173.55.0/24 183.173.56.0/24 183.173.57.0/24 183.173.58.0/24
183.173.60.0/24 183.173.61.0/24 183.173.62.0/24 183.173.63.0/24
183.173.65.0/24 183.173.66.0/24 183.173.67.0/24 183.173.68.0/24
183.173.70.0/24 183.173.71.0/24 183.173.72.0/24 183.173.73.0/24
183.173.75.0/24 183.173.76.0/24 183.173.77.0/24 183.173.78.0/24
183.173.80.0/24 183.173.81.0/24 183.173.82.0/24 183.173.83.0/24
183.173.85.0/24 183.173.86.0/24 183.173.87.0/24 183.173.88.0/24
183.173.90.0/24 183.173.91.0/24 183.173.92.0/24 183.173.93.0/24
183.173.95.0/24 183.173.96.0/24 183.173.97.0/24 183.173.98.0/24
183.173.100.0/24 183.173.101.0/24 183.173.102.0/24 183.173.103.0/24
183.173.105.0/24 183.173.106.0/24 183.173.107.0/24 183.173.108.0/24
183.173.110.0/24 183.173.111.0/24 183.173.112.0/24 183.173.113.0/24
183.173.115.0/24 183.173.116.0/24 183.173.117.0/24 183.173.118.0/24
183.173.120.0/24 183.173.121.0/24 183.173.122.0/24 183.173.123.0/24
183.173.125.0/24 183.173.126.0/24 183.173.127.0/24