Summary

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

APNIC

Country

Status

ALLOCATED PORTABLE

RegDate

Updated

2020-09-03T09:16:22Z

Whois

inetnum:        121.194.0.0 - 121.195.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
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:         [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

121.194.0.0/24 121.194.1.0/24 121.194.2.0/24 121.194.3.0/24
121.194.5.0/24 121.194.6.0/24 121.194.7.0/24 121.194.8.0/24
121.194.10.0/24 121.194.11.0/24 121.194.12.0/24 121.194.13.0/24
121.194.15.0/24 121.194.16.0/24 121.194.17.0/24 121.194.18.0/24
121.194.20.0/24 121.194.21.0/24 121.194.22.0/24 121.194.23.0/24
121.194.25.0/24 121.194.26.0/24 121.194.27.0/24 121.194.28.0/24
121.194.30.0/24 121.194.31.0/24 121.194.32.0/24 121.194.33.0/24
121.194.35.0/24 121.194.36.0/24 121.194.37.0/24 121.194.38.0/24
121.194.40.0/24 121.194.41.0/24 121.194.42.0/24 121.194.43.0/24
121.194.45.0/24 121.194.46.0/24 121.194.47.0/24 121.194.48.0/24
121.194.50.0/24 121.194.51.0/24 121.194.52.0/24 121.194.53.0/24
121.194.55.0/24 121.194.56.0/24 121.194.57.0/24 121.194.58.0/24
121.194.60.0/24 121.194.61.0/24 121.194.62.0/24 121.194.63.0/24
121.194.65.0/24 121.194.66.0/24 121.194.67.0/24 121.194.68.0/24
121.194.70.0/24 121.194.71.0/24 121.194.72.0/24 121.194.73.0/24
121.194.75.0/24 121.194.76.0/24 121.194.77.0/24 121.194.78.0/24
121.194.80.0/24 121.194.81.0/24 121.194.82.0/24 121.194.83.0/24
121.194.85.0/24 121.194.86.0/24 121.194.87.0/24 121.194.88.0/24
121.194.90.0/24 121.194.91.0/24 121.194.92.0/24 121.194.93.0/24
121.194.95.0/24 121.194.96.0/24 121.194.97.0/24 121.194.98.0/24
121.194.100.0/24 121.194.101.0/24 121.194.102.0/24 121.194.103.0/24
121.194.105.0/24 121.194.106.0/24 121.194.107.0/24 121.194.108.0/24
121.194.110.0/24 121.194.111.0/24 121.194.112.0/24 121.194.113.0/24
121.194.115.0/24 121.194.116.0/24 121.194.117.0/24 121.194.118.0/24
121.194.120.0/24 121.194.121.0/24 121.194.122.0/24 121.194.123.0/24
121.194.125.0/24 121.194.126.0/24 121.194.127.0/24 121.194.128.0/24
121.194.130.0/24 121.194.131.0/24 121.194.132.0/24 121.194.133.0/24
121.194.135.0/24 121.194.136.0/24 121.194.137.0/24 121.194.138.0/24
121.194.140.0/24 121.194.141.0/24 121.194.142.0/24 121.194.143.0/24
121.194.145.0/24 121.194.146.0/24 121.194.147.0/24 121.194.148.0/24
121.194.150.0/24 121.194.151.0/24 121.194.152.0/24 121.194.153.0/24
121.194.155.0/24 121.194.156.0/24 121.194.157.0/24 121.194.158.0/24
121.194.160.0/24 121.194.161.0/24 121.194.162.0/24 121.194.163.0/24
121.194.165.0/24 121.194.166.0/24 121.194.167.0/24 121.194.168.0/24
121.194.170.0/24 121.194.171.0/24 121.194.172.0/24 121.194.173.0/24
121.194.175.0/24 121.194.176.0/24 121.194.177.0/24 121.194.178.0/24
121.194.180.0/24 121.194.181.0/24 121.194.182.0/24 121.194.183.0/24
121.194.185.0/24 121.194.186.0/24 121.194.187.0/24 121.194.188.0/24
121.194.190.0/24 121.194.191.0/24 121.194.192.0/24 121.194.193.0/24
121.194.195.0/24 121.194.196.0/24 121.194.197.0/24 121.194.198.0/24
121.194.200.0/24 121.194.201.0/24 121.194.202.0/24 121.194.203.0/24
121.194.205.0/24 121.194.206.0/24 121.194.207.0/24 121.194.208.0/24
121.194.210.0/24 121.194.211.0/24 121.194.212.0/24 121.194.213.0/24
121.194.215.0/24 121.194.216.0/24 121.194.217.0/24 121.194.218.0/24
121.194.220.0/24 121.194.221.0/24 121.194.222.0/24 121.194.223.0/24
121.194.225.0/24 121.194.226.0/24 121.194.227.0/24 121.194.228.0/24
121.194.230.0/24 121.194.231.0/24 121.194.232.0/24 121.194.233.0/24
121.194.235.0/24 121.194.236.0/24 121.194.237.0/24 121.194.238.0/24
121.194.240.0/24 121.194.241.0/24 121.194.242.0/24 121.194.243.0/24
121.194.245.0/24 121.194.246.0/24 121.194.247.0/24 121.194.248.0/24
121.194.250.0/24 121.194.251.0/24 121.194.252.0/24 121.194.253.0/24
121.194.255.0/24 121.195.0.0/24 121.195.1.0/24 121.195.2.0/24
121.195.4.0/24 121.195.5.0/24 121.195.6.0/24 121.195.7.0/24
121.195.9.0/24 121.195.10.0/24 121.195.11.0/24 121.195.12.0/24
121.195.14.0/24 121.195.15.0/24 121.195.16.0/24 121.195.17.0/24
121.195.19.0/24 121.195.20.0/24 121.195.21.0/24 121.195.22.0/24
121.195.24.0/24 121.195.25.0/24 121.195.26.0/24 121.195.27.0/24
121.195.29.0/24 121.195.30.0/24 121.195.31.0/24 121.195.32.0/24
121.195.34.0/24 121.195.35.0/24 121.195.36.0/24 121.195.37.0/24
121.195.39.0/24 121.195.40.0/24 121.195.41.0/24 121.195.42.0/24
121.195.44.0/24 121.195.45.0/24 121.195.46.0/24 121.195.47.0/24
121.195.49.0/24 121.195.50.0/24 121.195.51.0/24 121.195.52.0/24
121.195.54.0/24 121.195.55.0/24 121.195.56.0/24 121.195.57.0/24
121.195.59.0/24 121.195.60.0/24 121.195.61.0/24 121.195.62.0/24
121.195.64.0/24 121.195.65.0/24 121.195.66.0/24 121.195.67.0/24
121.195.69.0/24 121.195.70.0/24 121.195.71.0/24 121.195.72.0/24
121.195.74.0/24 121.195.75.0/24 121.195.76.0/24 121.195.77.0/24
121.195.79.0/24 121.195.80.0/24 121.195.81.0/24 121.195.82.0/24
121.195.84.0/24 121.195.85.0/24 121.195.86.0/24 121.195.87.0/24
121.195.89.0/24 121.195.90.0/24 121.195.91.0/24 121.195.92.0/24
121.195.94.0/24 121.195.95.0/24 121.195.96.0/24 121.195.97.0/24
121.195.99.0/24 121.195.100.0/24 121.195.101.0/24 121.195.102.0/24
121.195.104.0/24 121.195.105.0/24 121.195.106.0/24 121.195.107.0/24
121.195.109.0/24 121.195.110.0/24 121.195.111.0/24 121.195.112.0/24
121.195.114.0/24 121.195.115.0/24 121.195.116.0/24 121.195.117.0/24
121.195.119.0/24 121.195.120.0/24 121.195.121.0/24 121.195.122.0/24
121.195.124.0/24 121.195.125.0/24 121.195.126.0/24 121.195.127.0/24
121.195.129.0/24 121.195.130.0/24 121.195.131.0/24 121.195.132.0/24
121.195.134.0/24 121.195.135.0/24 121.195.136.0/24 121.195.137.0/24
121.195.139.0/24 121.195.140.0/24 121.195.141.0/24 121.195.142.0/24
121.195.144.0/24 121.195.145.0/24 121.195.146.0/24 121.195.147.0/24
121.195.149.0/24 121.195.150.0/24 121.195.151.0/24 121.195.152.0/24
121.195.154.0/24 121.195.155.0/24 121.195.156.0/24 121.195.157.0/24
121.195.159.0/24 121.195.160.0/24 121.195.161.0/24 121.195.162.0/24
121.195.164.0/24 121.195.165.0/24 121.195.166.0/24 121.195.167.0/24
121.195.169.0/24 121.195.170.0/24 121.195.171.0/24 121.195.172.0/24
121.195.174.0/24 121.195.175.0/24 121.195.176.0/24 121.195.177.0/24
121.195.179.0/24 121.195.180.0/24 121.195.181.0/24 121.195.182.0/24
121.195.184.0/24 121.195.185.0/24 121.195.186.0/24 121.195.187.0/24
121.195.189.0/24 121.195.190.0/24 121.195.191.0/24 121.195.192.0/24
121.195.194.0/24 121.195.195.0/24 121.195.196.0/24 121.195.197.0/24
121.195.199.0/24 121.195.200.0/24 121.195.201.0/24 121.195.202.0/24
121.195.204.0/24 121.195.205.0/24 121.195.206.0/24 121.195.207.0/24
121.195.209.0/24 121.195.210.0/24 121.195.211.0/24 121.195.212.0/24
121.195.214.0/24 121.195.215.0/24 121.195.216.0/24 121.195.217.0/24
121.195.219.0/24 121.195.220.0/24 121.195.221.0/24 121.195.222.0/24
121.195.224.0/24 121.195.225.0/24 121.195.226.0/24 121.195.227.0/24
121.195.229.0/24 121.195.230.0/24 121.195.231.0/24 121.195.232.0/24
121.195.234.0/24 121.195.235.0/24 121.195.236.0/24 121.195.237.0/24
121.195.239.0/24 121.195.240.0/24 121.195.241.0/24 121.195.242.0/24
121.195.244.0/24 121.195.245.0/24 121.195.246.0/24 121.195.247.0/24
121.195.249.0/24 121.195.250.0/24 121.195.251.0/24 121.195.252.0/24
121.195.254.0/24 121.195.255.0/24