IP subnet details

2408:8456:3640::/44

AS17623  — China Unicom Shenzen Network

Summary

Country
CN China
Domain chinaunicom.com
Size 19,342,813,113,834,067,000,000,000
Registry APNIC
Network Name CU-CN

Whois

inet6num: 2408:8000::/20
netname: CU-CN
descr: China Unicom
descr: No.21, Jin-Rong Street
descr: Beijng 100033
country: CN
admin-c: CH1302-AP
tech-c: CH1302-AP
abuse-c: AC1718-AP
status: ALLOCATED PORTABLE
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-CNCGROUP
mnt-routes: MAINT-CNCGROUP-RR
mnt-irt: IRT-CU-CN
last-modified: 2023-10-21T03:39:56Z
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 2025-10-17
mnt-by: MAINT-CNCGROUP
last-modified: 2025-10-17T02:26:26Z
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 2025-10-17
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2025-10-17T02:26:56Z
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

route6: 2408:8456:3640::/44
origin: AS17623
descr: China Unicom
B811&A1218, China Unicom
No.21, Jin-Rong Street
mnt-by: MAINT-CNCGROUP-RR
last-modified: 2023-06-08T13:19:25Z
source: APNIC

CIDR IP address subranges within 2408:8456:3640::/44 subnet

  • 2408:8456:3640:0:0:0:0:0/52
  • 2408:8456:3640:1000:0:0:0:0/52
  • 2408:8456:3640:2000:0:0:0:0/52
  • 2408:8456:3640:3000:0:0:0:0/52
  • 2408:8456:3640:4000:0:0:0:0/52
  • 2408:8456:3640:5000:0:0:0:0/52
  • 2408:8456:3640:6000:0:0:0:0/52
  • 2408:8456:3640:7000:0:0:0:0/52
  • 2408:8456:3640:8000:0:0:0:0/52
  • 2408:8456:3640:9000:0:0:0:0/52
  • 2408:8456:3640:a000:0:0:0:0/52
  • 2408:8456:3640:b000:0:0:0:0/52
  • 2408:8456:3640:c000:0:0:0:0/52
  • 2408:8456:3640:d000:0:0:0:0/52
  • 2408:8456:3640:e000:0:0:0:0/52
  • 2408:8456:3640:f000:0:0:0:0/52
  • 2408:8456:3641:0:0:0:0:0/52
  • 2408:8456:3641:1000:0:0:0:0/52
  • 2408:8456:3641:2000:0:0:0:0/52
  • 2408:8456:3641:3000:0:0:0:0/52
  • 2408:8456:3641:4000:0:0:0:0/52
  • 2408:8456:3641:5000:0:0:0:0/52
  • 2408:8456:3641:6000:0:0:0:0/52
  • 2408:8456:3641:7000:0:0:0:0/52
  • 2408:8456:3641:8000:0:0:0:0/52
  • 2408:8456:3641:9000:0:0:0:0/52
  • 2408:8456:3641:a000:0:0:0:0/52
  • 2408:8456:3641:b000:0:0:0:0/52
  • 2408:8456:3641:c000:0:0:0:0/52
  • 2408:8456:3641:d000:0:0:0:0/52
  • 2408:8456:3641:e000:0:0:0:0/52
  • 2408:8456:3641:f000:0:0:0:0/52
  • 2408:8456:3642:0:0:0:0:0/52
  • 2408:8456:3642:1000:0:0:0:0/52
  • 2408:8456:3642:2000:0:0:0:0/52
  • 2408:8456:3642:3000:0:0:0:0/52
  • 2408:8456:3642:4000:0:0:0:0/52
  • 2408:8456:3642:5000:0:0:0:0/52
  • 2408:8456:3642:6000:0:0:0:0/52
  • 2408:8456:3642:7000:0:0:0:0/52
  • 2408:8456:3642:8000:0:0:0:0/52
  • 2408:8456:3642:9000:0:0:0:0/52
  • 2408:8456:3642:a000:0:0:0:0/52
  • 2408:8456:3642:b000:0:0:0:0/52
  • 2408:8456:3642:c000:0:0:0:0/52
  • 2408:8456:3642:d000:0:0:0:0/52
  • 2408:8456:3642:e000:0:0:0:0/52
  • 2408:8456:3642:f000:0:0:0:0/52
  • 2408:8456:3643:0:0:0:0:0/52
  • 2408:8456:3643:1000:0:0:0:0/52
  • 2408:8456:3643:2000:0:0:0:0/52
  • 2408:8456:3643:3000:0:0:0:0/52
  • 2408:8456:3643:4000:0:0:0:0/52
  • 2408:8456:3643:5000:0:0:0:0/52
  • 2408:8456:3643:6000:0:0:0:0/52
  • 2408:8456:3643:7000:0:0:0:0/52
  • 2408:8456:3643:8000:0:0:0:0/52
  • 2408:8456:3643:9000:0:0:0:0/52
  • 2408:8456:3643:a000:0:0:0:0/52
  • 2408:8456:3643:b000:0:0:0:0/52
  • 2408:8456:3643:c000:0:0:0:0/52
  • 2408:8456:3643:d000:0:0:0:0/52
  • 2408:8456:3643:e000:0:0:0:0/52
  • 2408:8456:3643:f000:0:0:0:0/52
  • 2408:8456:3644:0:0:0:0:0/52
  • 2408:8456:3644:1000:0:0:0:0/52
  • 2408:8456:3644:2000:0:0:0:0/52
  • 2408:8456:3644:3000:0:0:0:0/52
  • 2408:8456:3644:4000:0:0:0:0/52
  • 2408:8456:3644:5000:0:0:0:0/52
  • 2408:8456:3644:6000:0:0:0:0/52
  • 2408:8456:3644:7000:0:0:0:0/52
  • 2408:8456:3644:8000:0:0:0:0/52
  • 2408:8456:3644:9000:0:0:0:0/52
  • 2408:8456:3644:a000:0:0:0:0/52
  • 2408:8456:3644:b000:0:0:0:0/52
  • 2408:8456:3644:c000:0:0:0:0/52
  • 2408:8456:3644:d000:0:0:0:0/52
  • 2408:8456:3644:e000:0:0:0:0/52
  • 2408:8456:3644:f000:0:0:0:0/52
  • 2408:8456:3645:0:0:0:0:0/52
  • 2408:8456:3645:1000:0:0:0:0/52
  • 2408:8456:3645:2000:0:0:0:0/52
  • 2408:8456:3645:3000:0:0:0:0/52
  • 2408:8456:3645:4000:0:0:0:0/52
  • 2408:8456:3645:5000:0:0:0:0/52
  • 2408:8456:3645:6000:0:0:0:0/52
  • 2408:8456:3645:7000:0:0:0:0/52
  • 2408:8456:3645:8000:0:0:0:0/52
  • 2408:8456:3645:9000:0:0:0:0/52
  • 2408:8456:3645:a000:0:0:0:0/52
  • 2408:8456:3645:b000:0:0:0:0/52
  • 2408:8456:3645:c000:0:0:0:0/52
  • 2408:8456:3645:d000:0:0:0:0/52
  • 2408:8456:3645:e000:0:0:0:0/52
  • 2408:8456:3645:f000:0:0:0:0/52
  • 2408:8456:3646:0:0:0:0:0/52
  • 2408:8456:3646:1000:0:0:0:0/52
  • 2408:8456:3646:2000:0:0:0:0/52
  • 2408:8456:3646:3000:0:0:0:0/52
  • 2408:8456:3646:4000:0:0:0:0/52
  • 2408:8456:3646:5000:0:0:0:0/52
  • 2408:8456:3646:6000:0:0:0:0/52
  • 2408:8456:3646:7000:0:0:0:0/52
  • 2408:8456:3646:8000:0:0:0:0/52
  • 2408:8456:3646:9000:0:0:0:0/52
  • 2408:8456:3646:a000:0:0:0:0/52
  • 2408:8456:3646:b000:0:0:0:0/52
  • 2408:8456:3646:c000:0:0:0:0/52
  • 2408:8456:3646:d000:0:0:0:0/52
  • 2408:8456:3646:e000:0:0:0:0/52
  • 2408:8456:3646:f000:0:0:0:0/52
  • 2408:8456:3647:0:0:0:0:0/52
  • 2408:8456:3647:1000:0:0:0:0/52
  • 2408:8456:3647:2000:0:0:0:0/52
  • 2408:8456:3647:3000:0:0:0:0/52
  • 2408:8456:3647:4000:0:0:0:0/52
  • 2408:8456:3647:5000:0:0:0:0/52
  • 2408:8456:3647:6000:0:0:0:0/52
  • 2408:8456:3647:7000:0:0:0:0/52
  • 2408:8456:3647:8000:0:0:0:0/52
  • 2408:8456:3647:9000:0:0:0:0/52
  • 2408:8456:3647:a000:0:0:0:0/52
  • 2408:8456:3647:b000:0:0:0:0/52
  • 2408:8456:3647:c000:0:0:0:0/52
  • 2408:8456:3647:d000:0:0:0:0/52
  • 2408:8456:3647:e000:0:0:0:0/52
  • 2408:8456:3647:f000:0:0:0:0/52
  • 2408:8456:3648:0:0:0:0:0/52
  • 2408:8456:3648:1000:0:0:0:0/52
  • 2408:8456:3648:2000:0:0:0:0/52
  • 2408:8456:3648:3000:0:0:0:0/52
  • 2408:8456:3648:4000:0:0:0:0/52
  • 2408:8456:3648:5000:0:0:0:0/52
  • 2408:8456:3648:6000:0:0:0:0/52
  • 2408:8456:3648:7000:0:0:0:0/52
  • 2408:8456:3648:8000:0:0:0:0/52
  • 2408:8456:3648:9000:0:0:0:0/52
  • 2408:8456:3648:a000:0:0:0:0/52
  • 2408:8456:3648:b000:0:0:0:0/52
  • 2408:8456:3648:c000:0:0:0:0/52
  • 2408:8456:3648:d000:0:0:0:0/52
  • 2408:8456:3648:e000:0:0:0:0/52
  • 2408:8456:3648:f000:0:0:0:0/52
  • 2408:8456:3649:0:0:0:0:0/52
  • 2408:8456:3649:1000:0:0:0:0/52
  • 2408:8456:3649:2000:0:0:0:0/52
  • 2408:8456:3649:3000:0:0:0:0/52
  • 2408:8456:3649:4000:0:0:0:0/52
  • 2408:8456:3649:5000:0:0:0:0/52
  • 2408:8456:3649:6000:0:0:0:0/52
  • 2408:8456:3649:7000:0:0:0:0/52
  • 2408:8456:3649:8000:0:0:0:0/52
  • 2408:8456:3649:9000:0:0:0:0/52
  • 2408:8456:3649:a000:0:0:0:0/52
  • 2408:8456:3649:b000:0:0:0:0/52
  • 2408:8456:3649:c000:0:0:0:0/52
  • 2408:8456:3649:d000:0:0:0:0/52
  • 2408:8456:3649:e000:0:0:0:0/52
  • 2408:8456:3649:f000:0:0:0:0/52
  • 2408:8456:364a:0:0:0:0:0/52
  • 2408:8456:364a:1000:0:0:0:0/52
  • 2408:8456:364a:2000:0:0:0:0/52
  • 2408:8456:364a:3000:0:0:0:0/52
  • 2408:8456:364a:4000:0:0:0:0/52
  • 2408:8456:364a:5000:0:0:0:0/52
  • 2408:8456:364a:6000:0:0:0:0/52
  • 2408:8456:364a:7000:0:0:0:0/52
  • 2408:8456:364a:8000:0:0:0:0/52
  • 2408:8456:364a:9000:0:0:0:0/52
  • 2408:8456:364a:a000:0:0:0:0/52
  • 2408:8456:364a:b000:0:0:0:0/52
  • 2408:8456:364a:c000:0:0:0:0/52
  • 2408:8456:364a:d000:0:0:0:0/52
  • 2408:8456:364a:e000:0:0:0:0/52
  • 2408:8456:364a:f000:0:0:0:0/52
  • 2408:8456:364b:0:0:0:0:0/52
  • 2408:8456:364b:1000:0:0:0:0/52
  • 2408:8456:364b:2000:0:0:0:0/52
  • 2408:8456:364b:3000:0:0:0:0/52
  • 2408:8456:364b:4000:0:0:0:0/52
  • 2408:8456:364b:5000:0:0:0:0/52
  • 2408:8456:364b:6000:0:0:0:0/52
  • 2408:8456:364b:7000:0:0:0:0/52
  • 2408:8456:364b:8000:0:0:0:0/52
  • 2408:8456:364b:9000:0:0:0:0/52
  • 2408:8456:364b:a000:0:0:0:0/52
  • 2408:8456:364b:b000:0:0:0:0/52
  • 2408:8456:364b:c000:0:0:0:0/52
  • 2408:8456:364b:d000:0:0:0:0/52
  • 2408:8456:364b:e000:0:0:0:0/52
  • 2408:8456:364b:f000:0:0:0:0/52
  • 2408:8456:364c:0:0:0:0:0/52
  • 2408:8456:364c:1000:0:0:0:0/52
  • 2408:8456:364c:2000:0:0:0:0/52
  • 2408:8456:364c:3000:0:0:0:0/52
  • 2408:8456:364c:4000:0:0:0:0/52
  • 2408:8456:364c:5000:0:0:0:0/52
  • 2408:8456:364c:6000:0:0:0:0/52
  • 2408:8456:364c:7000:0:0:0:0/52
  • 2408:8456:364c:8000:0:0:0:0/52
  • 2408:8456:364c:9000:0:0:0:0/52
  • 2408:8456:364c:a000:0:0:0:0/52
  • 2408:8456:364c:b000:0:0:0:0/52
  • 2408:8456:364c:c000:0:0:0:0/52
  • 2408:8456:364c:d000:0:0:0:0/52
  • 2408:8456:364c:e000:0:0:0:0/52
  • 2408:8456:364c:f000:0:0:0:0/52
  • 2408:8456:364d:0:0:0:0:0/52
  • 2408:8456:364d:1000:0:0:0:0/52
  • 2408:8456:364d:2000:0:0:0:0/52
  • 2408:8456:364d:3000:0:0:0:0/52
  • 2408:8456:364d:4000:0:0:0:0/52
  • 2408:8456:364d:5000:0:0:0:0/52
  • 2408:8456:364d:6000:0:0:0:0/52
  • 2408:8456:364d:7000:0:0:0:0/52
  • 2408:8456:364d:8000:0:0:0:0/52
  • 2408:8456:364d:9000:0:0:0:0/52
  • 2408:8456:364d:a000:0:0:0:0/52
  • 2408:8456:364d:b000:0:0:0:0/52
  • 2408:8456:364d:c000:0:0:0:0/52
  • 2408:8456:364d:d000:0:0:0:0/52
  • 2408:8456:364d:e000:0:0:0:0/52
  • 2408:8456:364d:f000:0:0:0:0/52
  • 2408:8456:364e:0:0:0:0:0/52
  • 2408:8456:364e:1000:0:0:0:0/52
  • 2408:8456:364e:2000:0:0:0:0/52
  • 2408:8456:364e:3000:0:0:0:0/52
  • 2408:8456:364e:4000:0:0:0:0/52
  • 2408:8456:364e:5000:0:0:0:0/52
  • 2408:8456:364e:6000:0:0:0:0/52
  • 2408:8456:364e:7000:0:0:0:0/52
  • 2408:8456:364e:8000:0:0:0:0/52
  • 2408:8456:364e:9000:0:0:0:0/52
  • 2408:8456:364e:a000:0:0:0:0/52
  • 2408:8456:364e:b000:0:0:0:0/52
  • 2408:8456:364e:c000:0:0:0:0/52
  • 2408:8456:364e:d000:0:0:0:0/52
  • 2408:8456:364e:e000:0:0:0:0/52
  • 2408:8456:364e:f000:0:0:0:0/52
  • 2408:8456:364f:0:0:0:0:0/52
  • 2408:8456:364f:1000:0:0:0:0/52
  • 2408:8456:364f:2000:0:0:0:0/52
  • 2408:8456:364f:3000:0:0:0:0/52
  • 2408:8456:364f:4000:0:0:0:0/52
  • 2408:8456:364f:5000:0:0:0:0/52
  • 2408:8456:364f:6000:0:0:0:0/52
  • 2408:8456:364f:7000:0:0:0:0/52
  • 2408:8456:364f:8000:0:0:0:0/52
  • 2408:8456:364f:9000:0:0:0:0/52
  • 2408:8456:364f:a000:0:0:0:0/52
  • 2408:8456:364f:b000:0:0:0:0/52
  • 2408:8456:364f:c000:0:0:0:0/52
  • 2408:8456:364f:d000:0:0:0:0/52
  • 2408:8456:364f:e000:0:0:0:0/52
  • 2408:8456:364f:f000:0:0:0:0/52

Get started with 100,000 free lookups: sign up