IP subnet details

219.242.0.0/15

AS4538  — China Education And Research Network Center

Summary

Country
CN China
Domain cernet.net
Size 131,072
Registry APNIC
Network Name CERNET-CN

Whois

inetnum: 219.242.0.0 - 219.243.255.255
netname: CERNET-CN
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: 2020-10-20T00:56:47Z
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
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: [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 2025-01-22
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
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 IP address subranges within 219.242.0.0/15 subnet

  • 219.242.0.0/23
  • 219.242.2.0/23
  • 219.242.4.0/23
  • 219.242.6.0/23
  • 219.242.8.0/23
  • 219.242.10.0/23
  • 219.242.12.0/23
  • 219.242.14.0/23
  • 219.242.16.0/23
  • 219.242.18.0/23
  • 219.242.20.0/23
  • 219.242.22.0/23
  • 219.242.24.0/23
  • 219.242.26.0/23
  • 219.242.28.0/23
  • 219.242.30.0/23
  • 219.242.32.0/23
  • 219.242.34.0/23
  • 219.242.36.0/23
  • 219.242.38.0/23
  • 219.242.40.0/23
  • 219.242.42.0/23
  • 219.242.44.0/23
  • 219.242.46.0/23
  • 219.242.48.0/23
  • 219.242.50.0/23
  • 219.242.52.0/23
  • 219.242.54.0/23
  • 219.242.56.0/23
  • 219.242.58.0/23
  • 219.242.60.0/23
  • 219.242.62.0/23
  • 219.242.64.0/23
  • 219.242.66.0/23
  • 219.242.68.0/23
  • 219.242.70.0/23
  • 219.242.72.0/23
  • 219.242.74.0/23
  • 219.242.76.0/23
  • 219.242.78.0/23
  • 219.242.80.0/23
  • 219.242.82.0/23
  • 219.242.84.0/23
  • 219.242.86.0/23
  • 219.242.88.0/23
  • 219.242.90.0/23
  • 219.242.92.0/23
  • 219.242.94.0/23
  • 219.242.96.0/23
  • 219.242.98.0/23
  • 219.242.100.0/23
  • 219.242.102.0/23
  • 219.242.104.0/23
  • 219.242.106.0/23
  • 219.242.108.0/23
  • 219.242.110.0/23
  • 219.242.112.0/23
  • 219.242.114.0/23
  • 219.242.116.0/23
  • 219.242.118.0/23
  • 219.242.120.0/23
  • 219.242.122.0/23
  • 219.242.124.0/23
  • 219.242.126.0/23
  • 219.242.128.0/23
  • 219.242.130.0/23
  • 219.242.132.0/23
  • 219.242.134.0/23
  • 219.242.136.0/23
  • 219.242.138.0/23
  • 219.242.140.0/23
  • 219.242.142.0/23
  • 219.242.144.0/23
  • 219.242.146.0/23
  • 219.242.148.0/23
  • 219.242.150.0/23
  • 219.242.152.0/23
  • 219.242.154.0/23
  • 219.242.156.0/23
  • 219.242.158.0/23
  • 219.242.160.0/23
  • 219.242.162.0/23
  • 219.242.164.0/23
  • 219.242.166.0/23
  • 219.242.168.0/23
  • 219.242.170.0/23
  • 219.242.172.0/23
  • 219.242.174.0/23
  • 219.242.176.0/23
  • 219.242.178.0/23
  • 219.242.180.0/23
  • 219.242.182.0/23
  • 219.242.184.0/23
  • 219.242.186.0/23
  • 219.242.188.0/23
  • 219.242.190.0/23
  • 219.242.192.0/23
  • 219.242.194.0/23
  • 219.242.196.0/23
  • 219.242.198.0/23
  • 219.242.200.0/23
  • 219.242.202.0/23
  • 219.242.204.0/23
  • 219.242.206.0/23
  • 219.242.208.0/23
  • 219.242.210.0/23
  • 219.242.212.0/23
  • 219.242.214.0/23
  • 219.242.216.0/23
  • 219.242.218.0/23
  • 219.242.220.0/23
  • 219.242.222.0/23
  • 219.242.224.0/23
  • 219.242.226.0/23
  • 219.242.228.0/23
  • 219.242.230.0/23
  • 219.242.232.0/23
  • 219.242.234.0/23
  • 219.242.236.0/23
  • 219.242.238.0/23
  • 219.242.240.0/23
  • 219.242.242.0/23
  • 219.242.244.0/23
  • 219.242.246.0/23
  • 219.242.248.0/23
  • 219.242.250.0/23
  • 219.242.252.0/23
  • 219.242.254.0/23
  • 219.243.0.0/23
  • 219.243.2.0/23
  • 219.243.4.0/23
  • 219.243.6.0/23
  • 219.243.8.0/23
  • 219.243.10.0/23
  • 219.243.12.0/23
  • 219.243.14.0/23
  • 219.243.16.0/23
  • 219.243.18.0/23
  • 219.243.20.0/23
  • 219.243.22.0/23
  • 219.243.24.0/23
  • 219.243.26.0/23
  • 219.243.28.0/23
  • 219.243.30.0/23
  • 219.243.32.0/23
  • 219.243.34.0/23
  • 219.243.36.0/23
  • 219.243.38.0/23
  • 219.243.40.0/23
  • 219.243.42.0/23
  • 219.243.44.0/23
  • 219.243.46.0/23
  • 219.243.48.0/23
  • 219.243.50.0/23
  • 219.243.52.0/23
  • 219.243.54.0/23
  • 219.243.56.0/23
  • 219.243.58.0/23
  • 219.243.60.0/23
  • 219.243.62.0/23
  • 219.243.64.0/23
  • 219.243.66.0/23
  • 219.243.68.0/23
  • 219.243.70.0/23
  • 219.243.72.0/23
  • 219.243.74.0/23
  • 219.243.76.0/23
  • 219.243.78.0/23
  • 219.243.80.0/23
  • 219.243.82.0/23
  • 219.243.84.0/23
  • 219.243.86.0/23
  • 219.243.88.0/23
  • 219.243.90.0/23
  • 219.243.92.0/23
  • 219.243.94.0/23
  • 219.243.96.0/23
  • 219.243.98.0/23
  • 219.243.100.0/23
  • 219.243.102.0/23
  • 219.243.104.0/23
  • 219.243.106.0/23
  • 219.243.108.0/23
  • 219.243.110.0/23
  • 219.243.112.0/23
  • 219.243.114.0/23
  • 219.243.116.0/23
  • 219.243.118.0/23
  • 219.243.120.0/23
  • 219.243.122.0/23
  • 219.243.124.0/23
  • 219.243.126.0/23
  • 219.243.128.0/23
  • 219.243.130.0/23
  • 219.243.132.0/23
  • 219.243.134.0/23
  • 219.243.136.0/23
  • 219.243.138.0/23
  • 219.243.140.0/23
  • 219.243.142.0/23
  • 219.243.144.0/23
  • 219.243.146.0/23
  • 219.243.148.0/23
  • 219.243.150.0/23
  • 219.243.152.0/23
  • 219.243.154.0/23
  • 219.243.156.0/23
  • 219.243.158.0/23
  • 219.243.160.0/23
  • 219.243.162.0/23
  • 219.243.164.0/23
  • 219.243.166.0/23
  • 219.243.168.0/23
  • 219.243.170.0/23
  • 219.243.172.0/23
  • 219.243.174.0/23
  • 219.243.176.0/23
  • 219.243.178.0/23
  • 219.243.180.0/23
  • 219.243.182.0/23
  • 219.243.184.0/23
  • 219.243.186.0/23
  • 219.243.188.0/23
  • 219.243.190.0/23
  • 219.243.192.0/23
  • 219.243.194.0/23
  • 219.243.196.0/23
  • 219.243.198.0/23
  • 219.243.200.0/23
  • 219.243.202.0/23
  • 219.243.204.0/23
  • 219.243.206.0/23
  • 219.243.208.0/23
  • 219.243.210.0/23
  • 219.243.212.0/23
  • 219.243.214.0/23
  • 219.243.216.0/23
  • 219.243.218.0/23
  • 219.243.220.0/23
  • 219.243.222.0/23
  • 219.243.224.0/23
  • 219.243.226.0/23
  • 219.243.228.0/23
  • 219.243.230.0/23
  • 219.243.232.0/23
  • 219.243.234.0/23
  • 219.243.236.0/23
  • 219.243.238.0/23
  • 219.243.240.0/23
  • 219.243.242.0/23
  • 219.243.244.0/23
  • 219.243.246.0/23
  • 219.243.248.0/23
  • 219.243.250.0/23
  • 219.243.252.0/23
  • 219.243.254.0/23

Get started with 100,000 free lookups: sign up