Summary

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

APNIC

Country / Region

Status

ALLOCATED PORTABLE

Abuse

abuse@cernet.edu.cn

Contact

abuse@cernet.edu.cn

helpdesk@cernet.edu.cn

RegDate

Updated

2020-09-03T09:16:22Z

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN China 58945536 1733024481280

Whois

inetnum:        113.54.0.0 - 113.55.255.255
netname:        CDR-CERNET
descr:          China Education and Research Network
descr:          Chengdu Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
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:  2020-09-03T09:16:22Z
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:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn 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:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
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

Graph

CIDR

113.55.0.0/24 113.55.1.0/24 113.55.2.0/24 113.55.3.0/24
113.55.5.0/24 113.55.6.0/24 113.55.7.0/24 113.55.8.0/24
113.55.10.0/24 113.55.11.0/24 113.55.12.0/24 113.55.13.0/24
113.55.15.0/24 113.55.16.0/24 113.55.17.0/24 113.55.18.0/24
113.55.20.0/24 113.55.21.0/24 113.55.22.0/24 113.55.23.0/24
113.55.25.0/24 113.55.26.0/24 113.55.27.0/24 113.55.28.0/24
113.55.30.0/24 113.55.31.0/24 113.55.32.0/24 113.55.33.0/24
113.55.35.0/24 113.55.36.0/24 113.55.37.0/24 113.55.38.0/24
113.55.40.0/24 113.55.41.0/24 113.55.42.0/24 113.55.43.0/24
113.55.45.0/24 113.55.46.0/24 113.55.47.0/24 113.55.48.0/24
113.55.50.0/24 113.55.51.0/24 113.55.52.0/24 113.55.53.0/24
113.55.55.0/24 113.55.56.0/24 113.55.57.0/24 113.55.58.0/24
113.55.60.0/24 113.55.61.0/24 113.55.62.0/24 113.55.63.0/24
113.55.65.0/24 113.55.66.0/24 113.55.67.0/24 113.55.68.0/24
113.55.70.0/24 113.55.71.0/24 113.55.72.0/24 113.55.73.0/24
113.55.75.0/24 113.55.76.0/24 113.55.77.0/24 113.55.78.0/24
113.55.80.0/24 113.55.81.0/24 113.55.82.0/24 113.55.83.0/24
113.55.85.0/24 113.55.86.0/24 113.55.87.0/24 113.55.88.0/24
113.55.90.0/24 113.55.91.0/24 113.55.92.0/24 113.55.93.0/24
113.55.95.0/24 113.55.96.0/24 113.55.97.0/24 113.55.98.0/24
113.55.100.0/24 113.55.101.0/24 113.55.102.0/24 113.55.103.0/24
113.55.105.0/24 113.55.106.0/24 113.55.107.0/24 113.55.108.0/24
113.55.110.0/24 113.55.111.0/24 113.55.112.0/24 113.55.113.0/24
113.55.115.0/24 113.55.116.0/24 113.55.117.0/24 113.55.118.0/24
113.55.120.0/24 113.55.121.0/24 113.55.122.0/24 113.55.123.0/24
113.55.125.0/24 113.55.126.0/24 113.55.127.0/24