Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-09-03T09:16:07Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17172736 17970298617856

Whois

inetnum:        223.128.0.0 - 223.129.255.255
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:        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:  2020-09-03T09:16:07Z
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

223.129.0.0/24 223.129.1.0/24 223.129.2.0/24 223.129.3.0/24
223.129.5.0/24 223.129.6.0/24 223.129.7.0/24 223.129.8.0/24
223.129.10.0/24 223.129.11.0/24 223.129.12.0/24 223.129.13.0/24
223.129.15.0/24 223.129.16.0/24 223.129.17.0/24 223.129.18.0/24
223.129.20.0/24 223.129.21.0/24 223.129.22.0/24 223.129.23.0/24
223.129.25.0/24 223.129.26.0/24 223.129.27.0/24 223.129.28.0/24
223.129.30.0/24 223.129.31.0/24 223.129.32.0/24 223.129.33.0/24
223.129.35.0/24 223.129.36.0/24 223.129.37.0/24 223.129.38.0/24
223.129.40.0/24 223.129.41.0/24 223.129.42.0/24 223.129.43.0/24
223.129.45.0/24 223.129.46.0/24 223.129.47.0/24 223.129.48.0/24
223.129.50.0/24 223.129.51.0/24 223.129.52.0/24 223.129.53.0/24
223.129.55.0/24 223.129.56.0/24 223.129.57.0/24 223.129.58.0/24
223.129.60.0/24 223.129.61.0/24 223.129.62.0/24 223.129.63.0/24
223.129.65.0/24 223.129.66.0/24 223.129.67.0/24 223.129.68.0/24
223.129.70.0/24 223.129.71.0/24 223.129.72.0/24 223.129.73.0/24
223.129.75.0/24 223.129.76.0/24 223.129.77.0/24 223.129.78.0/24
223.129.80.0/24 223.129.81.0/24 223.129.82.0/24 223.129.83.0/24
223.129.85.0/24 223.129.86.0/24 223.129.87.0/24 223.129.88.0/24
223.129.90.0/24 223.129.91.0/24 223.129.92.0/24 223.129.93.0/24
223.129.95.0/24 223.129.96.0/24 223.129.97.0/24 223.129.98.0/24
223.129.100.0/24 223.129.101.0/24 223.129.102.0/24 223.129.103.0/24
223.129.105.0/24 223.129.106.0/24 223.129.107.0/24 223.129.108.0/24
223.129.110.0/24 223.129.111.0/24 223.129.112.0/24 223.129.113.0/24
223.129.115.0/24 223.129.116.0/24 223.129.117.0/24 223.129.118.0/24
223.129.120.0/24 223.129.121.0/24 223.129.122.0/24 223.129.123.0/24
223.129.125.0/24 223.129.126.0/24 223.129.127.0/24