IP subnet details

202.204.0.0/14

AS4538  — China Education And Research Network Center

Summary

Country
CN China
Domain cernet.net
Size 262,144
Registry APNIC
Network Name BJR-CERNET

Whois

inetnum: 202.204.0.0 - 202.207.255.255
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
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-09-03T09:16:26Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Center,
address: FIT-3-220, 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: [email protected] was validated on 2026-03-05
mnt-by: MAINT-CERNET-AP
last-modified: 2026-05-25T09:07:47Z
source: APNIC

role: ABUSE CERNETAP
country: ZZ
address: Network Center,
address: FIT-3-220, 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 2026-03-05
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-03-05T06:40:20Z
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: 202.204.0.0/14
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2026-06-16T08:44:52Z
source: APNIC

CIDR IP address subranges within 202.204.0.0/14 subnet

  • 202.204.0.0/22
  • 202.204.4.0/22
  • 202.204.8.0/22
  • 202.204.12.0/22
  • 202.204.16.0/22
  • 202.204.20.0/22
  • 202.204.24.0/22
  • 202.204.28.0/22
  • 202.204.32.0/22
  • 202.204.36.0/22
  • 202.204.40.0/22
  • 202.204.44.0/22
  • 202.204.48.0/22
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  • 202.204.60.0/22
  • 202.204.64.0/22
  • 202.204.68.0/22
  • 202.204.72.0/22
  • 202.204.76.0/22
  • 202.204.80.0/22
  • 202.204.84.0/22
  • 202.204.88.0/22
  • 202.204.92.0/22
  • 202.204.96.0/22
  • 202.204.100.0/22
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  • 202.204.112.0/22
  • 202.204.116.0/22
  • 202.204.120.0/22
  • 202.204.124.0/22
  • 202.204.128.0/22
  • 202.204.132.0/22
  • 202.204.136.0/22
  • 202.204.140.0/22
  • 202.204.144.0/22
  • 202.204.148.0/22
  • 202.204.152.0/22
  • 202.204.156.0/22
  • 202.204.160.0/22
  • 202.204.164.0/22
  • 202.204.168.0/22
  • 202.204.172.0/22
  • 202.204.176.0/22
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  • 202.204.184.0/22
  • 202.204.188.0/22
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  • 202.204.200.0/22
  • 202.204.204.0/22
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  • 202.204.216.0/22
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  • 202.204.228.0/22
  • 202.204.232.0/22
  • 202.204.236.0/22
  • 202.204.240.0/22
  • 202.204.244.0/22
  • 202.204.248.0/22
  • 202.204.252.0/22
  • 202.205.0.0/22
  • 202.205.4.0/22
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  • 202.205.32.0/22
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  • 202.205.56.0/22
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  • 202.205.68.0/22
  • 202.205.72.0/22
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  • 202.205.104.0/22
  • 202.205.108.0/22
  • 202.205.112.0/22
  • 202.205.116.0/22
  • 202.205.120.0/22
  • 202.205.124.0/22
  • 202.205.128.0/22
  • 202.205.132.0/22
  • 202.205.136.0/22
  • 202.205.140.0/22
  • 202.205.144.0/22
  • 202.205.148.0/22
  • 202.205.152.0/22
  • 202.205.156.0/22
  • 202.205.160.0/22
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  • 202.205.168.0/22
  • 202.205.172.0/22
  • 202.205.176.0/22
  • 202.205.180.0/22
  • 202.205.184.0/22
  • 202.205.188.0/22
  • 202.205.192.0/22
  • 202.205.196.0/22
  • 202.205.200.0/22
  • 202.205.204.0/22
  • 202.205.208.0/22
  • 202.205.212.0/22
  • 202.205.216.0/22
  • 202.205.220.0/22
  • 202.205.224.0/22
  • 202.205.228.0/22
  • 202.205.232.0/22
  • 202.205.236.0/22
  • 202.205.240.0/22
  • 202.205.244.0/22
  • 202.205.248.0/22
  • 202.205.252.0/22
  • 202.206.0.0/22
  • 202.206.4.0/22
  • 202.206.8.0/22
  • 202.206.12.0/22
  • 202.206.16.0/22
  • 202.206.20.0/22
  • 202.206.24.0/22
  • 202.206.28.0/22
  • 202.206.32.0/22
  • 202.206.36.0/22
  • 202.206.40.0/22
  • 202.206.44.0/22
  • 202.206.48.0/22
  • 202.206.52.0/22
  • 202.206.56.0/22
  • 202.206.60.0/22
  • 202.206.64.0/22
  • 202.206.68.0/22
  • 202.206.72.0/22
  • 202.206.76.0/22
  • 202.206.80.0/22
  • 202.206.84.0/22
  • 202.206.88.0/22
  • 202.206.92.0/22
  • 202.206.96.0/22
  • 202.206.100.0/22
  • 202.206.104.0/22
  • 202.206.108.0/22
  • 202.206.112.0/22
  • 202.206.116.0/22
  • 202.206.120.0/22
  • 202.206.124.0/22
  • 202.206.128.0/22
  • 202.206.132.0/22
  • 202.206.136.0/22
  • 202.206.140.0/22
  • 202.206.144.0/22
  • 202.206.148.0/22
  • 202.206.152.0/22
  • 202.206.156.0/22
  • 202.206.160.0/22
  • 202.206.164.0/22
  • 202.206.168.0/22
  • 202.206.172.0/22
  • 202.206.176.0/22
  • 202.206.180.0/22
  • 202.206.184.0/22
  • 202.206.188.0/22
  • 202.206.192.0/22
  • 202.206.196.0/22
  • 202.206.200.0/22
  • 202.206.204.0/22
  • 202.206.208.0/22
  • 202.206.212.0/22
  • 202.206.216.0/22
  • 202.206.220.0/22
  • 202.206.224.0/22
  • 202.206.228.0/22
  • 202.206.232.0/22
  • 202.206.236.0/22
  • 202.206.240.0/22
  • 202.206.244.0/22
  • 202.206.248.0/22
  • 202.206.252.0/22
  • 202.207.0.0/22
  • 202.207.4.0/22
  • 202.207.8.0/22
  • 202.207.12.0/22
  • 202.207.16.0/22
  • 202.207.20.0/22
  • 202.207.24.0/22
  • 202.207.28.0/22
  • 202.207.32.0/22
  • 202.207.36.0/22
  • 202.207.40.0/22
  • 202.207.44.0/22
  • 202.207.48.0/22
  • 202.207.52.0/22
  • 202.207.56.0/22
  • 202.207.60.0/22
  • 202.207.64.0/22
  • 202.207.68.0/22
  • 202.207.72.0/22
  • 202.207.76.0/22
  • 202.207.80.0/22
  • 202.207.84.0/22
  • 202.207.88.0/22
  • 202.207.92.0/22
  • 202.207.96.0/22
  • 202.207.100.0/22
  • 202.207.104.0/22
  • 202.207.108.0/22
  • 202.207.112.0/22
  • 202.207.116.0/22
  • 202.207.120.0/22
  • 202.207.124.0/22
  • 202.207.128.0/22
  • 202.207.132.0/22
  • 202.207.136.0/22
  • 202.207.140.0/22
  • 202.207.144.0/22
  • 202.207.148.0/22
  • 202.207.152.0/22
  • 202.207.156.0/22
  • 202.207.160.0/22
  • 202.207.164.0/22
  • 202.207.168.0/22
  • 202.207.172.0/22
  • 202.207.176.0/22
  • 202.207.180.0/22
  • 202.207.184.0/22
  • 202.207.188.0/22
  • 202.207.192.0/22
  • 202.207.196.0/22
  • 202.207.200.0/22
  • 202.207.204.0/22
  • 202.207.208.0/22
  • 202.207.212.0/22
  • 202.207.216.0/22
  • 202.207.220.0/22
  • 202.207.224.0/22
  • 202.207.228.0/22
  • 202.207.232.0/22
  • 202.207.236.0/22
  • 202.207.240.0/22
  • 202.207.244.0/22
  • 202.207.248.0/22
  • 202.207.252.0/22

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