IP subnet details

221.11.216.0/24

AS4837  — China Unicom China169 Backbone

Summary

Country
CN China
Domain chinaunicom.com
Size 256
IP Range
221.11.216.0 – 221.11.216.255 Convert CIDR to IP range
Registry APNIC
Network Name UNICOM-HI

Whois

inetnum: 221.11.128.0 - 221.11.223.255
netname: UNICOM-HI
descr: China Unicom Hainan province network
descr: China Unicom
country: CN
admin-c: CH1302-AP
tech-c: CH1302-AP
abuse-c: AC1718-AP
status: ALLOCATED PORTABLE
remarks: service provider
mnt-by: APNIC-HM
mnt-lower: MAINT-CNCGROUP-HI
mnt-routes: MAINT-CNCGROUP-RR
mnt-irt: IRT-CU-CN
last-modified: 2023-10-21T03:39:43Z
source: APNIC

irt: IRT-CU-CN
address: No.21,Financial Street
address: Beijing,100033
address: P.R.China
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: CH1302-AP
tech-c: CH1302-AP
auth: # Filtered
remarks: [email protected] was validated on 2026-08-19
mnt-by: MAINT-CNCGROUP
last-modified: 2026-08-19T00:57:22Z
source: APNIC

role: ABUSE CUCN
country: ZZ
address: No.21,Financial Street
address: Beijing,100033
address: P.R.China
phone: +000000000
e-mail: [email protected]
admin-c: CH1302-AP
tech-c: CH1302-AP
nic-hdl: AC1718-AP
remarks: Generated from irt object IRT-CU-CN
remarks: [email protected] was validated on 2026-08-19
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-08-20T03:22:23Z
source: APNIC

person: ChinaUnicom Hostmaster
nic-hdl: CH1302-AP
e-mail: [email protected]
address: No.21,Jin-Rong Street
address: Beijing,100033
address: P.R.China
phone: +86-10-66259764
fax-no: +86-10-66259764
country: CN
mnt-by: MAINT-CNCGROUP
last-modified: 2017-08-17T06:13:16Z
source: APNIC

route: 221.11.192.0/19
descr: CNC Group CHINA169 Hainan Province Network
country: CN
origin: AS4837
mnt-by: MAINT-CNCGROUP-RR
last-modified: 2008-09-04T07:54:44Z
source: APNIC

CIDR IP address subranges within 221.11.216.0/24 subnet

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