221.7.136.0/24 IP Range · China Unicom China169 Backbone (AS4837)

Summary

Country	China
Domain	chinaunicom.com
Size	256
IP Range	221.7.136.0 – 221.7.136.255 Convert CIDR to IP range
Registry	APNIC
Network Name	UNICOM-GX

Whois

inetnum:        221.7.128.0 - 221.7.255.255
netname:        UNICOM-GX
descr:          China Unicom Guangxi province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         LH602-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP-GX
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:31:42Z
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

person:         liu huanyi
nic-hdl:        LH602-AP
e-mail:         [email protected]
address:        44,Xinghu Road,Xingcheng District,Nanning,CHINA
phone:          +86-771-2597426
fax-no:         +86-771-2522019
country:        CN
mnt-by:         MAINT-CNCGROUP-GX
last-modified:  2008-09-04T07:34:50Z
source:         APNIC

route:          221.7.128.0/17
descr:          CNC Group CHINA169 Guangxi Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:44Z
source:         APNIC

221.7.136.0/24

AS4837 — China Unicom China169 Backbone

Summary

Whois

CIDR IP address subranges within 221.7.136.0/24 subnet

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