Summary

NetName
NJR-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

2020-09-03T09:16:28Z

Whois

inetnum:        42.244.0.0 - 42.247.255.255
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:  2020-09-03T09:16:28Z
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

42.244.0.0/24 42.244.1.0/24 42.244.2.0/24 42.244.3.0/24
42.244.5.0/24 42.244.6.0/24 42.244.7.0/24 42.244.8.0/24
42.244.10.0/24 42.244.11.0/24 42.244.12.0/24 42.244.13.0/24
42.244.15.0/24 42.244.16.0/24 42.244.17.0/24 42.244.18.0/24
42.244.20.0/24 42.244.21.0/24 42.244.22.0/24 42.244.23.0/24
42.244.25.0/24 42.244.26.0/24 42.244.27.0/24 42.244.28.0/24
42.244.30.0/24 42.244.31.0/24 42.244.32.0/24 42.244.33.0/24
42.244.35.0/24 42.244.36.0/24 42.244.37.0/24 42.244.38.0/24
42.244.40.0/24 42.244.41.0/24 42.244.42.0/24 42.244.43.0/24
42.244.45.0/24 42.244.46.0/24 42.244.47.0/24 42.244.48.0/24
42.244.50.0/24 42.244.51.0/24 42.244.52.0/24 42.244.53.0/24
42.244.55.0/24 42.244.56.0/24 42.244.57.0/24 42.244.58.0/24
42.244.60.0/24 42.244.61.0/24 42.244.62.0/24 42.244.63.0/24
42.244.65.0/24 42.244.66.0/24 42.244.67.0/24 42.244.68.0/24
42.244.70.0/24 42.244.71.0/24 42.244.72.0/24 42.244.73.0/24
42.244.75.0/24 42.244.76.0/24 42.244.77.0/24 42.244.78.0/24
42.244.80.0/24 42.244.81.0/24 42.244.82.0/24 42.244.83.0/24
42.244.85.0/24 42.244.86.0/24 42.244.87.0/24 42.244.88.0/24
42.244.90.0/24 42.244.91.0/24 42.244.92.0/24 42.244.93.0/24
42.244.95.0/24 42.244.96.0/24 42.244.97.0/24 42.244.98.0/24
42.244.100.0/24 42.244.101.0/24 42.244.102.0/24 42.244.103.0/24
42.244.105.0/24 42.244.106.0/24 42.244.107.0/24 42.244.108.0/24
42.244.110.0/24 42.244.111.0/24 42.244.112.0/24 42.244.113.0/24
42.244.115.0/24 42.244.116.0/24 42.244.117.0/24 42.244.118.0/24
42.244.120.0/24 42.244.121.0/24 42.244.122.0/24 42.244.123.0/24
42.244.125.0/24 42.244.126.0/24 42.244.127.0/24 42.244.128.0/24
42.244.130.0/24 42.244.131.0/24 42.244.132.0/24 42.244.133.0/24
42.244.135.0/24 42.244.136.0/24 42.244.137.0/24 42.244.138.0/24
42.244.140.0/24 42.244.141.0/24 42.244.142.0/24 42.244.143.0/24
42.244.145.0/24 42.244.146.0/24 42.244.147.0/24 42.244.148.0/24
42.244.150.0/24 42.244.151.0/24 42.244.152.0/24 42.244.153.0/24
42.244.155.0/24 42.244.156.0/24 42.244.157.0/24 42.244.158.0/24
42.244.160.0/24 42.244.161.0/24 42.244.162.0/24 42.244.163.0/24
42.244.165.0/24 42.244.166.0/24 42.244.167.0/24 42.244.168.0/24
42.244.170.0/24 42.244.171.0/24 42.244.172.0/24 42.244.173.0/24
42.244.175.0/24 42.244.176.0/24 42.244.177.0/24 42.244.178.0/24
42.244.180.0/24 42.244.181.0/24 42.244.182.0/24 42.244.183.0/24
42.244.185.0/24 42.244.186.0/24 42.244.187.0/24 42.244.188.0/24
42.244.190.0/24 42.244.191.0/24 42.244.192.0/24 42.244.193.0/24
42.244.195.0/24 42.244.196.0/24 42.244.197.0/24 42.244.198.0/24
42.244.200.0/24 42.244.201.0/24 42.244.202.0/24 42.244.203.0/24
42.244.205.0/24 42.244.206.0/24 42.244.207.0/24 42.244.208.0/24
42.244.210.0/24 42.244.211.0/24 42.244.212.0/24 42.244.213.0/24
42.244.215.0/24 42.244.216.0/24 42.244.217.0/24 42.244.218.0/24
42.244.220.0/24 42.244.221.0/24 42.244.222.0/24 42.244.223.0/24
42.244.225.0/24 42.244.226.0/24 42.244.227.0/24 42.244.228.0/24
42.244.230.0/24 42.244.231.0/24 42.244.232.0/24 42.244.233.0/24
42.244.235.0/24 42.244.236.0/24 42.244.237.0/24 42.244.238.0/24
42.244.240.0/24 42.244.241.0/24 42.244.242.0/24 42.244.243.0/24
42.244.245.0/24 42.244.246.0/24 42.244.247.0/24 42.244.248.0/24
42.244.250.0/24 42.244.251.0/24 42.244.252.0/24 42.244.253.0/24
42.244.255.0/24