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 17970298683392

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

211.81.0.0/24 211.81.1.0/24 211.81.2.0/24 211.81.3.0/24
211.81.5.0/24 211.81.6.0/24 211.81.7.0/24 211.81.8.0/24
211.81.10.0/24 211.81.11.0/24 211.81.12.0/24 211.81.13.0/24
211.81.15.0/24 211.81.16.0/24 211.81.17.0/24 211.81.18.0/24
211.81.20.0/24 211.81.21.0/24 211.81.22.0/24 211.81.23.0/24
211.81.25.0/24 211.81.26.0/24 211.81.27.0/24 211.81.28.0/24
211.81.30.0/24 211.81.31.0/24 211.81.32.0/24 211.81.33.0/24
211.81.35.0/24 211.81.36.0/24 211.81.37.0/24 211.81.38.0/24
211.81.40.0/24 211.81.41.0/24 211.81.42.0/24 211.81.43.0/24
211.81.45.0/24 211.81.46.0/24 211.81.47.0/24 211.81.48.0/24
211.81.50.0/24 211.81.51.0/24 211.81.52.0/24 211.81.53.0/24
211.81.55.0/24 211.81.56.0/24 211.81.57.0/24 211.81.58.0/24
211.81.60.0/24 211.81.61.0/24 211.81.62.0/24 211.81.63.0/24
211.81.65.0/24 211.81.66.0/24 211.81.67.0/24 211.81.68.0/24
211.81.70.0/24 211.81.71.0/24 211.81.72.0/24 211.81.73.0/24
211.81.75.0/24 211.81.76.0/24 211.81.77.0/24 211.81.78.0/24
211.81.80.0/24 211.81.81.0/24 211.81.82.0/24 211.81.83.0/24
211.81.85.0/24 211.81.86.0/24 211.81.87.0/24 211.81.88.0/24
211.81.90.0/24 211.81.91.0/24 211.81.92.0/24 211.81.93.0/24
211.81.95.0/24 211.81.96.0/24 211.81.97.0/24 211.81.98.0/24
211.81.100.0/24 211.81.101.0/24 211.81.102.0/24 211.81.103.0/24
211.81.105.0/24 211.81.106.0/24 211.81.107.0/24 211.81.108.0/24
211.81.110.0/24 211.81.111.0/24 211.81.112.0/24 211.81.113.0/24
211.81.115.0/24 211.81.116.0/24 211.81.117.0/24 211.81.118.0/24
211.81.120.0/24 211.81.121.0/24 211.81.122.0/24 211.81.123.0/24
211.81.125.0/24 211.81.126.0/24 211.81.127.0/24