IP subnet details

2408:8456:3c40::/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: 2408:8456:3c40::/44
origin: AS17623
descr: China Unicom
B811&A1218, China Unicom
No.21, Jin-Rong Street
mnt-by: MAINT-CNCGROUP-RR
last-modified: 2023-06-08T13:19:23Z
source: APNIC

CIDR IP address subranges within 2408:8456:3c40::/44 subnet

  • 2408:8456:3c40:0:0:0:0:0/52
  • 2408:8456:3c40:1000:0:0:0:0/52
  • 2408:8456:3c40:2000:0:0:0:0/52
  • 2408:8456:3c40:3000:0:0:0:0/52
  • 2408:8456:3c40:4000:0:0:0:0/52
  • 2408:8456:3c40:5000:0:0:0:0/52
  • 2408:8456:3c40:6000:0:0:0:0/52
  • 2408:8456:3c40:7000:0:0:0:0/52
  • 2408:8456:3c40:8000:0:0:0:0/52
  • 2408:8456:3c40:9000:0:0:0:0/52
  • 2408:8456:3c40:a000:0:0:0:0/52
  • 2408:8456:3c40:b000:0:0:0:0/52
  • 2408:8456:3c40:c000:0:0:0:0/52
  • 2408:8456:3c40:d000:0:0:0:0/52
  • 2408:8456:3c40:e000:0:0:0:0/52
  • 2408:8456:3c40:f000:0:0:0:0/52
  • 2408:8456:3c41:0:0:0:0:0/52
  • 2408:8456:3c41:1000:0:0:0:0/52
  • 2408:8456:3c41:2000:0:0:0:0/52
  • 2408:8456:3c41:3000:0:0:0:0/52
  • 2408:8456:3c41:4000:0:0:0:0/52
  • 2408:8456:3c41:5000:0:0:0:0/52
  • 2408:8456:3c41:6000:0:0:0:0/52
  • 2408:8456:3c41:7000:0:0:0:0/52
  • 2408:8456:3c41:8000:0:0:0:0/52
  • 2408:8456:3c41:9000:0:0:0:0/52
  • 2408:8456:3c41:a000:0:0:0:0/52
  • 2408:8456:3c41:b000:0:0:0:0/52
  • 2408:8456:3c41:c000:0:0:0:0/52
  • 2408:8456:3c41:d000:0:0:0:0/52
  • 2408:8456:3c41:e000:0:0:0:0/52
  • 2408:8456:3c41:f000:0:0:0:0/52
  • 2408:8456:3c42:0:0:0:0:0/52
  • 2408:8456:3c42:1000:0:0:0:0/52
  • 2408:8456:3c42:2000:0:0:0:0/52
  • 2408:8456:3c42:3000:0:0:0:0/52
  • 2408:8456:3c42:4000:0:0:0:0/52
  • 2408:8456:3c42:5000:0:0:0:0/52
  • 2408:8456:3c42:6000:0:0:0:0/52
  • 2408:8456:3c42:7000:0:0:0:0/52
  • 2408:8456:3c42:8000:0:0:0:0/52
  • 2408:8456:3c42:9000:0:0:0:0/52
  • 2408:8456:3c42:a000:0:0:0:0/52
  • 2408:8456:3c42:b000:0:0:0:0/52
  • 2408:8456:3c42:c000:0:0:0:0/52
  • 2408:8456:3c42:d000:0:0:0:0/52
  • 2408:8456:3c42:e000:0:0:0:0/52
  • 2408:8456:3c42:f000:0:0:0:0/52
  • 2408:8456:3c43:0:0:0:0:0/52
  • 2408:8456:3c43:1000:0:0:0:0/52
  • 2408:8456:3c43:2000:0:0:0:0/52
  • 2408:8456:3c43:3000:0:0:0:0/52
  • 2408:8456:3c43:4000:0:0:0:0/52
  • 2408:8456:3c43:5000:0:0:0:0/52
  • 2408:8456:3c43:6000:0:0:0:0/52
  • 2408:8456:3c43:7000:0:0:0:0/52
  • 2408:8456:3c43:8000:0:0:0:0/52
  • 2408:8456:3c43:9000:0:0:0:0/52
  • 2408:8456:3c43:a000:0:0:0:0/52
  • 2408:8456:3c43:b000:0:0:0:0/52
  • 2408:8456:3c43:c000:0:0:0:0/52
  • 2408:8456:3c43:d000:0:0:0:0/52
  • 2408:8456:3c43:e000:0:0:0:0/52
  • 2408:8456:3c43:f000:0:0:0:0/52
  • 2408:8456:3c44:0:0:0:0:0/52
  • 2408:8456:3c44:1000:0:0:0:0/52
  • 2408:8456:3c44:2000:0:0:0:0/52
  • 2408:8456:3c44:3000:0:0:0:0/52
  • 2408:8456:3c44:4000:0:0:0:0/52
  • 2408:8456:3c44:5000:0:0:0:0/52
  • 2408:8456:3c44:6000:0:0:0:0/52
  • 2408:8456:3c44:7000:0:0:0:0/52
  • 2408:8456:3c44:8000:0:0:0:0/52
  • 2408:8456:3c44:9000:0:0:0:0/52
  • 2408:8456:3c44:a000:0:0:0:0/52
  • 2408:8456:3c44:b000:0:0:0:0/52
  • 2408:8456:3c44:c000:0:0:0:0/52
  • 2408:8456:3c44:d000:0:0:0:0/52
  • 2408:8456:3c44:e000:0:0:0:0/52
  • 2408:8456:3c44:f000:0:0:0:0/52
  • 2408:8456:3c45:0:0:0:0:0/52
  • 2408:8456:3c45:1000:0:0:0:0/52
  • 2408:8456:3c45:2000:0:0:0:0/52
  • 2408:8456:3c45:3000:0:0:0:0/52
  • 2408:8456:3c45:4000:0:0:0:0/52
  • 2408:8456:3c45:5000:0:0:0:0/52
  • 2408:8456:3c45:6000:0:0:0:0/52
  • 2408:8456:3c45:7000:0:0:0:0/52
  • 2408:8456:3c45:8000:0:0:0:0/52
  • 2408:8456:3c45:9000:0:0:0:0/52
  • 2408:8456:3c45:a000:0:0:0:0/52
  • 2408:8456:3c45:b000:0:0:0:0/52
  • 2408:8456:3c45:c000:0:0:0:0/52
  • 2408:8456:3c45:d000:0:0:0:0/52
  • 2408:8456:3c45:e000:0:0:0:0/52
  • 2408:8456:3c45:f000:0:0:0:0/52
  • 2408:8456:3c46:0:0:0:0:0/52
  • 2408:8456:3c46:1000:0:0:0:0/52
  • 2408:8456:3c46:2000:0:0:0:0/52
  • 2408:8456:3c46:3000:0:0:0:0/52
  • 2408:8456:3c46:4000:0:0:0:0/52
  • 2408:8456:3c46:5000:0:0:0:0/52
  • 2408:8456:3c46:6000:0:0:0:0/52
  • 2408:8456:3c46:7000:0:0:0:0/52
  • 2408:8456:3c46:8000:0:0:0:0/52
  • 2408:8456:3c46:9000:0:0:0:0/52
  • 2408:8456:3c46:a000:0:0:0:0/52
  • 2408:8456:3c46:b000:0:0:0:0/52
  • 2408:8456:3c46:c000:0:0:0:0/52
  • 2408:8456:3c46:d000:0:0:0:0/52
  • 2408:8456:3c46:e000:0:0:0:0/52
  • 2408:8456:3c46:f000:0:0:0:0/52
  • 2408:8456:3c47:0:0:0:0:0/52
  • 2408:8456:3c47:1000:0:0:0:0/52
  • 2408:8456:3c47:2000:0:0:0:0/52
  • 2408:8456:3c47:3000:0:0:0:0/52
  • 2408:8456:3c47:4000:0:0:0:0/52
  • 2408:8456:3c47:5000:0:0:0:0/52
  • 2408:8456:3c47:6000:0:0:0:0/52
  • 2408:8456:3c47:7000:0:0:0:0/52
  • 2408:8456:3c47:8000:0:0:0:0/52
  • 2408:8456:3c47:9000:0:0:0:0/52
  • 2408:8456:3c47:a000:0:0:0:0/52
  • 2408:8456:3c47:b000:0:0:0:0/52
  • 2408:8456:3c47:c000:0:0:0:0/52
  • 2408:8456:3c47:d000:0:0:0:0/52
  • 2408:8456:3c47:e000:0:0:0:0/52
  • 2408:8456:3c47:f000:0:0:0:0/52
  • 2408:8456:3c48:0:0:0:0:0/52
  • 2408:8456:3c48:1000:0:0:0:0/52
  • 2408:8456:3c48:2000:0:0:0:0/52
  • 2408:8456:3c48:3000:0:0:0:0/52
  • 2408:8456:3c48:4000:0:0:0:0/52
  • 2408:8456:3c48:5000:0:0:0:0/52
  • 2408:8456:3c48:6000:0:0:0:0/52
  • 2408:8456:3c48:7000:0:0:0:0/52
  • 2408:8456:3c48:8000:0:0:0:0/52
  • 2408:8456:3c48:9000:0:0:0:0/52
  • 2408:8456:3c48:a000:0:0:0:0/52
  • 2408:8456:3c48:b000:0:0:0:0/52
  • 2408:8456:3c48:c000:0:0:0:0/52
  • 2408:8456:3c48:d000:0:0:0:0/52
  • 2408:8456:3c48:e000:0:0:0:0/52
  • 2408:8456:3c48:f000:0:0:0:0/52
  • 2408:8456:3c49:0:0:0:0:0/52
  • 2408:8456:3c49:1000:0:0:0:0/52
  • 2408:8456:3c49:2000:0:0:0:0/52
  • 2408:8456:3c49:3000:0:0:0:0/52
  • 2408:8456:3c49:4000:0:0:0:0/52
  • 2408:8456:3c49:5000:0:0:0:0/52
  • 2408:8456:3c49:6000:0:0:0:0/52
  • 2408:8456:3c49:7000:0:0:0:0/52
  • 2408:8456:3c49:8000:0:0:0:0/52
  • 2408:8456:3c49:9000:0:0:0:0/52
  • 2408:8456:3c49:a000:0:0:0:0/52
  • 2408:8456:3c49:b000:0:0:0:0/52
  • 2408:8456:3c49:c000:0:0:0:0/52
  • 2408:8456:3c49:d000:0:0:0:0/52
  • 2408:8456:3c49:e000:0:0:0:0/52
  • 2408:8456:3c49:f000:0:0:0:0/52
  • 2408:8456:3c4a:0:0:0:0:0/52
  • 2408:8456:3c4a:1000:0:0:0:0/52
  • 2408:8456:3c4a:2000:0:0:0:0/52
  • 2408:8456:3c4a:3000:0:0:0:0/52
  • 2408:8456:3c4a:4000:0:0:0:0/52
  • 2408:8456:3c4a:5000:0:0:0:0/52
  • 2408:8456:3c4a:6000:0:0:0:0/52
  • 2408:8456:3c4a:7000:0:0:0:0/52
  • 2408:8456:3c4a:8000:0:0:0:0/52
  • 2408:8456:3c4a:9000:0:0:0:0/52
  • 2408:8456:3c4a:a000:0:0:0:0/52
  • 2408:8456:3c4a:b000:0:0:0:0/52
  • 2408:8456:3c4a:c000:0:0:0:0/52
  • 2408:8456:3c4a:d000:0:0:0:0/52
  • 2408:8456:3c4a:e000:0:0:0:0/52
  • 2408:8456:3c4a:f000:0:0:0:0/52
  • 2408:8456:3c4b:0:0:0:0:0/52
  • 2408:8456:3c4b:1000:0:0:0:0/52
  • 2408:8456:3c4b:2000:0:0:0:0/52
  • 2408:8456:3c4b:3000:0:0:0:0/52
  • 2408:8456:3c4b:4000:0:0:0:0/52
  • 2408:8456:3c4b:5000:0:0:0:0/52
  • 2408:8456:3c4b:6000:0:0:0:0/52
  • 2408:8456:3c4b:7000:0:0:0:0/52
  • 2408:8456:3c4b:8000:0:0:0:0/52
  • 2408:8456:3c4b:9000:0:0:0:0/52
  • 2408:8456:3c4b:a000:0:0:0:0/52
  • 2408:8456:3c4b:b000:0:0:0:0/52
  • 2408:8456:3c4b:c000:0:0:0:0/52
  • 2408:8456:3c4b:d000:0:0:0:0/52
  • 2408:8456:3c4b:e000:0:0:0:0/52
  • 2408:8456:3c4b:f000:0:0:0:0/52
  • 2408:8456:3c4c:0:0:0:0:0/52
  • 2408:8456:3c4c:1000:0:0:0:0/52
  • 2408:8456:3c4c:2000:0:0:0:0/52
  • 2408:8456:3c4c:3000:0:0:0:0/52
  • 2408:8456:3c4c:4000:0:0:0:0/52
  • 2408:8456:3c4c:5000:0:0:0:0/52
  • 2408:8456:3c4c:6000:0:0:0:0/52
  • 2408:8456:3c4c:7000:0:0:0:0/52
  • 2408:8456:3c4c:8000:0:0:0:0/52
  • 2408:8456:3c4c:9000:0:0:0:0/52
  • 2408:8456:3c4c:a000:0:0:0:0/52
  • 2408:8456:3c4c:b000:0:0:0:0/52
  • 2408:8456:3c4c:c000:0:0:0:0/52
  • 2408:8456:3c4c:d000:0:0:0:0/52
  • 2408:8456:3c4c:e000:0:0:0:0/52
  • 2408:8456:3c4c:f000:0:0:0:0/52
  • 2408:8456:3c4d:0:0:0:0:0/52
  • 2408:8456:3c4d:1000:0:0:0:0/52
  • 2408:8456:3c4d:2000:0:0:0:0/52
  • 2408:8456:3c4d:3000:0:0:0:0/52
  • 2408:8456:3c4d:4000:0:0:0:0/52
  • 2408:8456:3c4d:5000:0:0:0:0/52
  • 2408:8456:3c4d:6000:0:0:0:0/52
  • 2408:8456:3c4d:7000:0:0:0:0/52
  • 2408:8456:3c4d:8000:0:0:0:0/52
  • 2408:8456:3c4d:9000:0:0:0:0/52
  • 2408:8456:3c4d:a000:0:0:0:0/52
  • 2408:8456:3c4d:b000:0:0:0:0/52
  • 2408:8456:3c4d:c000:0:0:0:0/52
  • 2408:8456:3c4d:d000:0:0:0:0/52
  • 2408:8456:3c4d:e000:0:0:0:0/52
  • 2408:8456:3c4d:f000:0:0:0:0/52
  • 2408:8456:3c4e:0:0:0:0:0/52
  • 2408:8456:3c4e:1000:0:0:0:0/52
  • 2408:8456:3c4e:2000:0:0:0:0/52
  • 2408:8456:3c4e:3000:0:0:0:0/52
  • 2408:8456:3c4e:4000:0:0:0:0/52
  • 2408:8456:3c4e:5000:0:0:0:0/52
  • 2408:8456:3c4e:6000:0:0:0:0/52
  • 2408:8456:3c4e:7000:0:0:0:0/52
  • 2408:8456:3c4e:8000:0:0:0:0/52
  • 2408:8456:3c4e:9000:0:0:0:0/52
  • 2408:8456:3c4e:a000:0:0:0:0/52
  • 2408:8456:3c4e:b000:0:0:0:0/52
  • 2408:8456:3c4e:c000:0:0:0:0/52
  • 2408:8456:3c4e:d000:0:0:0:0/52
  • 2408:8456:3c4e:e000:0:0:0:0/52
  • 2408:8456:3c4e:f000:0:0:0:0/52
  • 2408:8456:3c4f:0:0:0:0:0/52
  • 2408:8456:3c4f:1000:0:0:0:0/52
  • 2408:8456:3c4f:2000:0:0:0:0/52
  • 2408:8456:3c4f:3000:0:0:0:0/52
  • 2408:8456:3c4f:4000:0:0:0:0/52
  • 2408:8456:3c4f:5000:0:0:0:0/52
  • 2408:8456:3c4f:6000:0:0:0:0/52
  • 2408:8456:3c4f:7000:0:0:0:0/52
  • 2408:8456:3c4f:8000:0:0:0:0/52
  • 2408:8456:3c4f:9000:0:0:0:0/52
  • 2408:8456:3c4f:a000:0:0:0:0/52
  • 2408:8456:3c4f:b000:0:0:0:0/52
  • 2408:8456:3c4f:c000:0:0:0:0/52
  • 2408:8456:3c4f:d000:0:0:0:0/52
  • 2408:8456:3c4f:e000:0:0:0:0/52
  • 2408:8456:3c4f:f000:0:0:0:0/52

Get started with 100,000 free lookups: sign up