Summary

NetName
OrgName
CIDR
RIR

APNIC

Country
Status

Abuse

Contact
RegDate

Updated

Whois

% Abuse contact for '121.193.0.0 - 121.193.255.255' is '[email protected]'

inetnum:        121.193.0.0 - 121.193.255.255
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:  2020-09-03T09:16:09Z
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] was validated on 2023-12-14
mnt-by:         MAINT-CERNET-AP
last-modified:  2023-12-14T03:44:39Z
source:         APNIC

role:           ABUSE CERNETAP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
country:        ZZ
phone:          +86-10-62784301
e-mail:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2023-12-14
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2023-12-14T03:44:51Z
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

route:          121.193.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2009-01-05T03:10:57Z
source:         APNIC

CIDR

121.193.0.0/24 121.193.1.0/24 121.193.2.0/24 121.193.3.0/24
121.193.5.0/24 121.193.6.0/24 121.193.7.0/24 121.193.8.0/24
121.193.10.0/24 121.193.11.0/24 121.193.12.0/24 121.193.13.0/24
121.193.15.0/24 121.193.16.0/24 121.193.17.0/24 121.193.18.0/24
121.193.20.0/24 121.193.21.0/24 121.193.22.0/24 121.193.23.0/24
121.193.25.0/24 121.193.26.0/24 121.193.27.0/24 121.193.28.0/24
121.193.30.0/24 121.193.31.0/24 121.193.32.0/24 121.193.33.0/24
121.193.35.0/24 121.193.36.0/24 121.193.37.0/24 121.193.38.0/24
121.193.40.0/24 121.193.41.0/24 121.193.42.0/24 121.193.43.0/24
121.193.45.0/24 121.193.46.0/24 121.193.47.0/24 121.193.48.0/24
121.193.50.0/24 121.193.51.0/24 121.193.52.0/24 121.193.53.0/24
121.193.55.0/24 121.193.56.0/24 121.193.57.0/24 121.193.58.0/24
121.193.60.0/24 121.193.61.0/24 121.193.62.0/24 121.193.63.0/24
121.193.65.0/24 121.193.66.0/24 121.193.67.0/24 121.193.68.0/24
121.193.70.0/24 121.193.71.0/24 121.193.72.0/24 121.193.73.0/24
121.193.75.0/24 121.193.76.0/24 121.193.77.0/24 121.193.78.0/24
121.193.80.0/24 121.193.81.0/24 121.193.82.0/24 121.193.83.0/24
121.193.85.0/24 121.193.86.0/24 121.193.87.0/24 121.193.88.0/24
121.193.90.0/24 121.193.91.0/24 121.193.92.0/24 121.193.93.0/24
121.193.95.0/24 121.193.96.0/24 121.193.97.0/24 121.193.98.0/24
121.193.100.0/24 121.193.101.0/24 121.193.102.0/24 121.193.103.0/24
121.193.105.0/24 121.193.106.0/24 121.193.107.0/24 121.193.108.0/24
121.193.110.0/24 121.193.111.0/24 121.193.112.0/24 121.193.113.0/24
121.193.115.0/24 121.193.116.0/24 121.193.117.0/24 121.193.118.0/24
121.193.120.0/24 121.193.121.0/24 121.193.122.0/24 121.193.123.0/24
121.193.125.0/24 121.193.126.0/24 121.193.127.0/24 121.193.128.0/24
121.193.130.0/24 121.193.131.0/24 121.193.132.0/24 121.193.133.0/24
121.193.135.0/24 121.193.136.0/24 121.193.137.0/24 121.193.138.0/24
121.193.140.0/24 121.193.141.0/24 121.193.142.0/24 121.193.143.0/24
121.193.145.0/24 121.193.146.0/24 121.193.147.0/24 121.193.148.0/24
121.193.150.0/24 121.193.151.0/24 121.193.152.0/24 121.193.153.0/24
121.193.155.0/24 121.193.156.0/24 121.193.157.0/24 121.193.158.0/24
121.193.160.0/24 121.193.161.0/24 121.193.162.0/24 121.193.163.0/24
121.193.165.0/24 121.193.166.0/24 121.193.167.0/24 121.193.168.0/24
121.193.170.0/24 121.193.171.0/24 121.193.172.0/24 121.193.173.0/24
121.193.175.0/24 121.193.176.0/24 121.193.177.0/24 121.193.178.0/24
121.193.180.0/24 121.193.181.0/24 121.193.182.0/24 121.193.183.0/24
121.193.185.0/24 121.193.186.0/24 121.193.187.0/24 121.193.188.0/24
121.193.190.0/24 121.193.191.0/24 121.193.192.0/24 121.193.193.0/24
121.193.195.0/24 121.193.196.0/24 121.193.197.0/24 121.193.198.0/24
121.193.200.0/24 121.193.201.0/24 121.193.202.0/24 121.193.203.0/24
121.193.205.0/24 121.193.206.0/24 121.193.207.0/24 121.193.208.0/24
121.193.210.0/24 121.193.211.0/24 121.193.212.0/24 121.193.213.0/24
121.193.215.0/24 121.193.216.0/24 121.193.217.0/24 121.193.218.0/24
121.193.220.0/24 121.193.221.0/24 121.193.222.0/24 121.193.223.0/24
121.193.225.0/24 121.193.226.0/24 121.193.227.0/24 121.193.228.0/24
121.193.230.0/24 121.193.231.0/24 121.193.232.0/24 121.193.233.0/24
121.193.235.0/24 121.193.236.0/24 121.193.237.0/24 121.193.238.0/24
121.193.240.0/24 121.193.241.0/24 121.193.242.0/24 121.193.243.0/24
121.193.245.0/24 121.193.246.0/24 121.193.247.0/24 121.193.248.0/24
121.193.250.0/24 121.193.251.0/24 121.193.252.0/24 121.193.253.0/24
121.193.255.0/24