Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

Abuse

Contact
RegDate

Updated

2020-09-03T09:16:12Z

Routing

AS Desc Country IPv4 NUMs IPv6 NUMs

Whois

inetnum:        223.2.0.0 - 223.3.255.255
netname:        NJR-CERNET
descr:          China Education and Research Network
descr:          Nanjing 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:  2020-09-03T09:16:12Z
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 was validated on 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
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

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
source:         APNIC

Graph

CIDR

223.2.0.0/24 223.2.1.0/24 223.2.2.0/24 223.2.3.0/24
223.2.5.0/24 223.2.6.0/24 223.2.7.0/24 223.2.8.0/24
223.2.10.0/24 223.2.11.0/24 223.2.12.0/24 223.2.13.0/24
223.2.15.0/24 223.2.16.0/24 223.2.17.0/24 223.2.18.0/24
223.2.20.0/24 223.2.21.0/24 223.2.22.0/24 223.2.23.0/24
223.2.25.0/24 223.2.26.0/24 223.2.27.0/24 223.2.28.0/24
223.2.30.0/24 223.2.31.0/24 223.2.32.0/24 223.2.33.0/24
223.2.35.0/24 223.2.36.0/24 223.2.37.0/24 223.2.38.0/24
223.2.40.0/24 223.2.41.0/24 223.2.42.0/24 223.2.43.0/24
223.2.45.0/24 223.2.46.0/24 223.2.47.0/24 223.2.48.0/24
223.2.50.0/24 223.2.51.0/24 223.2.52.0/24 223.2.53.0/24
223.2.55.0/24 223.2.56.0/24 223.2.57.0/24 223.2.58.0/24
223.2.60.0/24 223.2.61.0/24 223.2.62.0/24 223.2.63.0/24
223.2.65.0/24 223.2.66.0/24 223.2.67.0/24 223.2.68.0/24
223.2.70.0/24 223.2.71.0/24 223.2.72.0/24 223.2.73.0/24
223.2.75.0/24 223.2.76.0/24 223.2.77.0/24 223.2.78.0/24
223.2.80.0/24 223.2.81.0/24 223.2.82.0/24 223.2.83.0/24
223.2.85.0/24 223.2.86.0/24 223.2.87.0/24 223.2.88.0/24
223.2.90.0/24 223.2.91.0/24 223.2.92.0/24 223.2.93.0/24
223.2.95.0/24 223.2.96.0/24 223.2.97.0/24 223.2.98.0/24
223.2.100.0/24 223.2.101.0/24 223.2.102.0/24 223.2.103.0/24
223.2.105.0/24 223.2.106.0/24 223.2.107.0/24 223.2.108.0/24
223.2.110.0/24 223.2.111.0/24 223.2.112.0/24 223.2.113.0/24
223.2.115.0/24 223.2.116.0/24 223.2.117.0/24 223.2.118.0/24
223.2.120.0/24 223.2.121.0/24 223.2.122.0/24 223.2.123.0/24
223.2.125.0/24 223.2.126.0/24 223.2.127.0/24 223.2.128.0/24
223.2.130.0/24 223.2.131.0/24 223.2.132.0/24 223.2.133.0/24
223.2.135.0/24 223.2.136.0/24 223.2.137.0/24 223.2.138.0/24
223.2.140.0/24 223.2.141.0/24 223.2.142.0/24 223.2.143.0/24
223.2.145.0/24 223.2.146.0/24 223.2.147.0/24 223.2.148.0/24
223.2.150.0/24 223.2.151.0/24 223.2.152.0/24 223.2.153.0/24
223.2.155.0/24 223.2.156.0/24 223.2.157.0/24 223.2.158.0/24
223.2.160.0/24 223.2.161.0/24 223.2.162.0/24 223.2.163.0/24
223.2.165.0/24 223.2.166.0/24 223.2.167.0/24 223.2.168.0/24
223.2.170.0/24 223.2.171.0/24 223.2.172.0/24 223.2.173.0/24
223.2.175.0/24 223.2.176.0/24 223.2.177.0/24 223.2.178.0/24
223.2.180.0/24 223.2.181.0/24 223.2.182.0/24 223.2.183.0/24
223.2.185.0/24 223.2.186.0/24 223.2.187.0/24 223.2.188.0/24
223.2.190.0/24 223.2.191.0/24 223.2.192.0/24 223.2.193.0/24
223.2.195.0/24 223.2.196.0/24 223.2.197.0/24 223.2.198.0/24
223.2.200.0/24 223.2.201.0/24 223.2.202.0/24 223.2.203.0/24
223.2.205.0/24 223.2.206.0/24 223.2.207.0/24 223.2.208.0/24
223.2.210.0/24 223.2.211.0/24 223.2.212.0/24 223.2.213.0/24
223.2.215.0/24 223.2.216.0/24 223.2.217.0/24 223.2.218.0/24
223.2.220.0/24 223.2.221.0/24 223.2.222.0/24 223.2.223.0/24
223.2.225.0/24 223.2.226.0/24 223.2.227.0/24 223.2.228.0/24
223.2.230.0/24 223.2.231.0/24 223.2.232.0/24 223.2.233.0/24
223.2.235.0/24 223.2.236.0/24 223.2.237.0/24 223.2.238.0/24
223.2.240.0/24 223.2.241.0/24 223.2.242.0/24 223.2.243.0/24
223.2.245.0/24 223.2.246.0/24 223.2.247.0/24 223.2.248.0/24
223.2.250.0/24 223.2.251.0/24 223.2.252.0/24 223.2.253.0/24
223.2.255.0/24