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

218.193.0.0/24 218.193.1.0/24 218.193.2.0/24 218.193.3.0/24
218.193.5.0/24 218.193.6.0/24 218.193.7.0/24 218.193.8.0/24
218.193.10.0/24 218.193.11.0/24 218.193.12.0/24 218.193.13.0/24
218.193.15.0/24 218.193.16.0/24 218.193.17.0/24 218.193.18.0/24
218.193.20.0/24 218.193.21.0/24 218.193.22.0/24 218.193.23.0/24
218.193.25.0/24 218.193.26.0/24 218.193.27.0/24 218.193.28.0/24
218.193.30.0/24 218.193.31.0/24 218.193.32.0/24 218.193.33.0/24
218.193.35.0/24 218.193.36.0/24 218.193.37.0/24 218.193.38.0/24
218.193.40.0/24 218.193.41.0/24 218.193.42.0/24 218.193.43.0/24
218.193.45.0/24 218.193.46.0/24 218.193.47.0/24 218.193.48.0/24
218.193.50.0/24 218.193.51.0/24 218.193.52.0/24 218.193.53.0/24
218.193.55.0/24 218.193.56.0/24 218.193.57.0/24 218.193.58.0/24
218.193.60.0/24 218.193.61.0/24 218.193.62.0/24 218.193.63.0/24
218.193.65.0/24 218.193.66.0/24 218.193.67.0/24 218.193.68.0/24
218.193.70.0/24 218.193.71.0/24 218.193.72.0/24 218.193.73.0/24
218.193.75.0/24 218.193.76.0/24 218.193.77.0/24 218.193.78.0/24
218.193.80.0/24 218.193.81.0/24 218.193.82.0/24 218.193.83.0/24
218.193.85.0/24 218.193.86.0/24 218.193.87.0/24 218.193.88.0/24
218.193.90.0/24 218.193.91.0/24 218.193.92.0/24 218.193.93.0/24
218.193.95.0/24 218.193.96.0/24 218.193.97.0/24 218.193.98.0/24
218.193.100.0/24 218.193.101.0/24 218.193.102.0/24 218.193.103.0/24
218.193.105.0/24 218.193.106.0/24 218.193.107.0/24 218.193.108.0/24
218.193.110.0/24 218.193.111.0/24 218.193.112.0/24 218.193.113.0/24
218.193.115.0/24 218.193.116.0/24 218.193.117.0/24 218.193.118.0/24
218.193.120.0/24 218.193.121.0/24 218.193.122.0/24 218.193.123.0/24
218.193.125.0/24 218.193.126.0/24 218.193.127.0/24