IP subnet details

2408:840d:5f40::/43

AS17621  — China Unicom Shanghai Network

Summary

Country
CN China
Domain chinaunicom.com
Size 38,685,626,227,668,134,000,000,000
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: 2025-11-18T00:26:20Z
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: 2408:8000::/20
descr: China Unicom IPv6 Network
country: CN
origin: AS4837
mnt-by: MAINT-CNCGROUP-RR
last-modified: 2018-01-18T02:14:01Z
source: APNIC

CIDR IP address subranges within 2408:840d:5f40::/43 subnet

  • 2408:840d:5f40:0:0:0:0:0/51
  • 2408:840d:5f40:2000:0:0:0:0/51
  • 2408:840d:5f40:4000:0:0:0:0/51
  • 2408:840d:5f40:6000:0:0:0:0/51
  • 2408:840d:5f40:8000:0:0:0:0/51
  • 2408:840d:5f40:a000:0:0:0:0/51
  • 2408:840d:5f40:c000:0:0:0:0/51
  • 2408:840d:5f40:e000:0:0:0:0/51
  • 2408:840d:5f41:0:0:0:0:0/51
  • 2408:840d:5f41:2000:0:0:0:0/51
  • 2408:840d:5f41:4000:0:0:0:0/51
  • 2408:840d:5f41:6000:0:0:0:0/51
  • 2408:840d:5f41:8000:0:0:0:0/51
  • 2408:840d:5f41:a000:0:0:0:0/51
  • 2408:840d:5f41:c000:0:0:0:0/51
  • 2408:840d:5f41:e000:0:0:0:0/51
  • 2408:840d:5f42:0:0:0:0:0/51
  • 2408:840d:5f42:2000:0:0:0:0/51
  • 2408:840d:5f42:4000:0:0:0:0/51
  • 2408:840d:5f42:6000:0:0:0:0/51
  • 2408:840d:5f42:8000:0:0:0:0/51
  • 2408:840d:5f42:a000:0:0:0:0/51
  • 2408:840d:5f42:c000:0:0:0:0/51
  • 2408:840d:5f42:e000:0:0:0:0/51
  • 2408:840d:5f43:0:0:0:0:0/51
  • 2408:840d:5f43:2000:0:0:0:0/51
  • 2408:840d:5f43:4000:0:0:0:0/51
  • 2408:840d:5f43:6000:0:0:0:0/51
  • 2408:840d:5f43:8000:0:0:0:0/51
  • 2408:840d:5f43:a000:0:0:0:0/51
  • 2408:840d:5f43:c000:0:0:0:0/51
  • 2408:840d:5f43:e000:0:0:0:0/51
  • 2408:840d:5f44:0:0:0:0:0/51
  • 2408:840d:5f44:2000:0:0:0:0/51
  • 2408:840d:5f44:4000:0:0:0:0/51
  • 2408:840d:5f44:6000:0:0:0:0/51
  • 2408:840d:5f44:8000:0:0:0:0/51
  • 2408:840d:5f44:a000:0:0:0:0/51
  • 2408:840d:5f44:c000:0:0:0:0/51
  • 2408:840d:5f44:e000:0:0:0:0/51
  • 2408:840d:5f45:0:0:0:0:0/51
  • 2408:840d:5f45:2000:0:0:0:0/51
  • 2408:840d:5f45:4000:0:0:0:0/51
  • 2408:840d:5f45:6000:0:0:0:0/51
  • 2408:840d:5f45:8000:0:0:0:0/51
  • 2408:840d:5f45:a000:0:0:0:0/51
  • 2408:840d:5f45:c000:0:0:0:0/51
  • 2408:840d:5f45:e000:0:0:0:0/51
  • 2408:840d:5f46:0:0:0:0:0/51
  • 2408:840d:5f46:2000:0:0:0:0/51
  • 2408:840d:5f46:4000:0:0:0:0/51
  • 2408:840d:5f46:6000:0:0:0:0/51
  • 2408:840d:5f46:8000:0:0:0:0/51
  • 2408:840d:5f46:a000:0:0:0:0/51
  • 2408:840d:5f46:c000:0:0:0:0/51
  • 2408:840d:5f46:e000:0:0:0:0/51
  • 2408:840d:5f47:0:0:0:0:0/51
  • 2408:840d:5f47:2000:0:0:0:0/51
  • 2408:840d:5f47:4000:0:0:0:0/51
  • 2408:840d:5f47:6000:0:0:0:0/51
  • 2408:840d:5f47:8000:0:0:0:0/51
  • 2408:840d:5f47:a000:0:0:0:0/51
  • 2408:840d:5f47:c000:0:0:0:0/51
  • 2408:840d:5f47:e000:0:0:0:0/51
  • 2408:840d:5f48:0:0:0:0:0/51
  • 2408:840d:5f48:2000:0:0:0:0/51
  • 2408:840d:5f48:4000:0:0:0:0/51
  • 2408:840d:5f48:6000:0:0:0:0/51
  • 2408:840d:5f48:8000:0:0:0:0/51
  • 2408:840d:5f48:a000:0:0:0:0/51
  • 2408:840d:5f48:c000:0:0:0:0/51
  • 2408:840d:5f48:e000:0:0:0:0/51
  • 2408:840d:5f49:0:0:0:0:0/51
  • 2408:840d:5f49:2000:0:0:0:0/51
  • 2408:840d:5f49:4000:0:0:0:0/51
  • 2408:840d:5f49:6000:0:0:0:0/51
  • 2408:840d:5f49:8000:0:0:0:0/51
  • 2408:840d:5f49:a000:0:0:0:0/51
  • 2408:840d:5f49:c000:0:0:0:0/51
  • 2408:840d:5f49:e000:0:0:0:0/51
  • 2408:840d:5f4a:0:0:0:0:0/51
  • 2408:840d:5f4a:2000:0:0:0:0/51
  • 2408:840d:5f4a:4000:0:0:0:0/51
  • 2408:840d:5f4a:6000:0:0:0:0/51
  • 2408:840d:5f4a:8000:0:0:0:0/51
  • 2408:840d:5f4a:a000:0:0:0:0/51
  • 2408:840d:5f4a:c000:0:0:0:0/51
  • 2408:840d:5f4a:e000:0:0:0:0/51
  • 2408:840d:5f4b:0:0:0:0:0/51
  • 2408:840d:5f4b:2000:0:0:0:0/51
  • 2408:840d:5f4b:4000:0:0:0:0/51
  • 2408:840d:5f4b:6000:0:0:0:0/51
  • 2408:840d:5f4b:8000:0:0:0:0/51
  • 2408:840d:5f4b:a000:0:0:0:0/51
  • 2408:840d:5f4b:c000:0:0:0:0/51
  • 2408:840d:5f4b:e000:0:0:0:0/51
  • 2408:840d:5f4c:0:0:0:0:0/51
  • 2408:840d:5f4c:2000:0:0:0:0/51
  • 2408:840d:5f4c:4000:0:0:0:0/51
  • 2408:840d:5f4c:6000:0:0:0:0/51
  • 2408:840d:5f4c:8000:0:0:0:0/51
  • 2408:840d:5f4c:a000:0:0:0:0/51
  • 2408:840d:5f4c:c000:0:0:0:0/51
  • 2408:840d:5f4c:e000:0:0:0:0/51
  • 2408:840d:5f4d:0:0:0:0:0/51
  • 2408:840d:5f4d:2000:0:0:0:0/51
  • 2408:840d:5f4d:4000:0:0:0:0/51
  • 2408:840d:5f4d:6000:0:0:0:0/51
  • 2408:840d:5f4d:8000:0:0:0:0/51
  • 2408:840d:5f4d:a000:0:0:0:0/51
  • 2408:840d:5f4d:c000:0:0:0:0/51
  • 2408:840d:5f4d:e000:0:0:0:0/51
  • 2408:840d:5f4e:0:0:0:0:0/51
  • 2408:840d:5f4e:2000:0:0:0:0/51
  • 2408:840d:5f4e:4000:0:0:0:0/51
  • 2408:840d:5f4e:6000:0:0:0:0/51
  • 2408:840d:5f4e:8000:0:0:0:0/51
  • 2408:840d:5f4e:a000:0:0:0:0/51
  • 2408:840d:5f4e:c000:0:0:0:0/51
  • 2408:840d:5f4e:e000:0:0:0:0/51
  • 2408:840d:5f4f:0:0:0:0:0/51
  • 2408:840d:5f4f:2000:0:0:0:0/51
  • 2408:840d:5f4f:4000:0:0:0:0/51
  • 2408:840d:5f4f:6000:0:0:0:0/51
  • 2408:840d:5f4f:8000:0:0:0:0/51
  • 2408:840d:5f4f:a000:0:0:0:0/51
  • 2408:840d:5f4f:c000:0:0:0:0/51
  • 2408:840d:5f4f:e000:0:0:0:0/51
  • 2408:840d:5f50:0:0:0:0:0/51
  • 2408:840d:5f50:2000:0:0:0:0/51
  • 2408:840d:5f50:4000:0:0:0:0/51
  • 2408:840d:5f50:6000:0:0:0:0/51
  • 2408:840d:5f50:8000:0:0:0:0/51
  • 2408:840d:5f50:a000:0:0:0:0/51
  • 2408:840d:5f50:c000:0:0:0:0/51
  • 2408:840d:5f50:e000:0:0:0:0/51
  • 2408:840d:5f51:0:0:0:0:0/51
  • 2408:840d:5f51:2000:0:0:0:0/51
  • 2408:840d:5f51:4000:0:0:0:0/51
  • 2408:840d:5f51:6000:0:0:0:0/51
  • 2408:840d:5f51:8000:0:0:0:0/51
  • 2408:840d:5f51:a000:0:0:0:0/51
  • 2408:840d:5f51:c000:0:0:0:0/51
  • 2408:840d:5f51:e000:0:0:0:0/51
  • 2408:840d:5f52:0:0:0:0:0/51
  • 2408:840d:5f52:2000:0:0:0:0/51
  • 2408:840d:5f52:4000:0:0:0:0/51
  • 2408:840d:5f52:6000:0:0:0:0/51
  • 2408:840d:5f52:8000:0:0:0:0/51
  • 2408:840d:5f52:a000:0:0:0:0/51
  • 2408:840d:5f52:c000:0:0:0:0/51
  • 2408:840d:5f52:e000:0:0:0:0/51
  • 2408:840d:5f53:0:0:0:0:0/51
  • 2408:840d:5f53:2000:0:0:0:0/51
  • 2408:840d:5f53:4000:0:0:0:0/51
  • 2408:840d:5f53:6000:0:0:0:0/51
  • 2408:840d:5f53:8000:0:0:0:0/51
  • 2408:840d:5f53:a000:0:0:0:0/51
  • 2408:840d:5f53:c000:0:0:0:0/51
  • 2408:840d:5f53:e000:0:0:0:0/51
  • 2408:840d:5f54:0:0:0:0:0/51
  • 2408:840d:5f54:2000:0:0:0:0/51
  • 2408:840d:5f54:4000:0:0:0:0/51
  • 2408:840d:5f54:6000:0:0:0:0/51
  • 2408:840d:5f54:8000:0:0:0:0/51
  • 2408:840d:5f54:a000:0:0:0:0/51
  • 2408:840d:5f54:c000:0:0:0:0/51
  • 2408:840d:5f54:e000:0:0:0:0/51
  • 2408:840d:5f55:0:0:0:0:0/51
  • 2408:840d:5f55:2000:0:0:0:0/51
  • 2408:840d:5f55:4000:0:0:0:0/51
  • 2408:840d:5f55:6000:0:0:0:0/51
  • 2408:840d:5f55:8000:0:0:0:0/51
  • 2408:840d:5f55:a000:0:0:0:0/51
  • 2408:840d:5f55:c000:0:0:0:0/51
  • 2408:840d:5f55:e000:0:0:0:0/51
  • 2408:840d:5f56:0:0:0:0:0/51
  • 2408:840d:5f56:2000:0:0:0:0/51
  • 2408:840d:5f56:4000:0:0:0:0/51
  • 2408:840d:5f56:6000:0:0:0:0/51
  • 2408:840d:5f56:8000:0:0:0:0/51
  • 2408:840d:5f56:a000:0:0:0:0/51
  • 2408:840d:5f56:c000:0:0:0:0/51
  • 2408:840d:5f56:e000:0:0:0:0/51
  • 2408:840d:5f57:0:0:0:0:0/51
  • 2408:840d:5f57:2000:0:0:0:0/51
  • 2408:840d:5f57:4000:0:0:0:0/51
  • 2408:840d:5f57:6000:0:0:0:0/51
  • 2408:840d:5f57:8000:0:0:0:0/51
  • 2408:840d:5f57:a000:0:0:0:0/51
  • 2408:840d:5f57:c000:0:0:0:0/51
  • 2408:840d:5f57:e000:0:0:0:0/51
  • 2408:840d:5f58:0:0:0:0:0/51
  • 2408:840d:5f58:2000:0:0:0:0/51
  • 2408:840d:5f58:4000:0:0:0:0/51
  • 2408:840d:5f58:6000:0:0:0:0/51
  • 2408:840d:5f58:8000:0:0:0:0/51
  • 2408:840d:5f58:a000:0:0:0:0/51
  • 2408:840d:5f58:c000:0:0:0:0/51
  • 2408:840d:5f58:e000:0:0:0:0/51
  • 2408:840d:5f59:0:0:0:0:0/51
  • 2408:840d:5f59:2000:0:0:0:0/51
  • 2408:840d:5f59:4000:0:0:0:0/51
  • 2408:840d:5f59:6000:0:0:0:0/51
  • 2408:840d:5f59:8000:0:0:0:0/51
  • 2408:840d:5f59:a000:0:0:0:0/51
  • 2408:840d:5f59:c000:0:0:0:0/51
  • 2408:840d:5f59:e000:0:0:0:0/51
  • 2408:840d:5f5a:0:0:0:0:0/51
  • 2408:840d:5f5a:2000:0:0:0:0/51
  • 2408:840d:5f5a:4000:0:0:0:0/51
  • 2408:840d:5f5a:6000:0:0:0:0/51
  • 2408:840d:5f5a:8000:0:0:0:0/51
  • 2408:840d:5f5a:a000:0:0:0:0/51
  • 2408:840d:5f5a:c000:0:0:0:0/51
  • 2408:840d:5f5a:e000:0:0:0:0/51
  • 2408:840d:5f5b:0:0:0:0:0/51
  • 2408:840d:5f5b:2000:0:0:0:0/51
  • 2408:840d:5f5b:4000:0:0:0:0/51
  • 2408:840d:5f5b:6000:0:0:0:0/51
  • 2408:840d:5f5b:8000:0:0:0:0/51
  • 2408:840d:5f5b:a000:0:0:0:0/51
  • 2408:840d:5f5b:c000:0:0:0:0/51
  • 2408:840d:5f5b:e000:0:0:0:0/51
  • 2408:840d:5f5c:0:0:0:0:0/51
  • 2408:840d:5f5c:2000:0:0:0:0/51
  • 2408:840d:5f5c:4000:0:0:0:0/51
  • 2408:840d:5f5c:6000:0:0:0:0/51
  • 2408:840d:5f5c:8000:0:0:0:0/51
  • 2408:840d:5f5c:a000:0:0:0:0/51
  • 2408:840d:5f5c:c000:0:0:0:0/51
  • 2408:840d:5f5c:e000:0:0:0:0/51
  • 2408:840d:5f5d:0:0:0:0:0/51
  • 2408:840d:5f5d:2000:0:0:0:0/51
  • 2408:840d:5f5d:4000:0:0:0:0/51
  • 2408:840d:5f5d:6000:0:0:0:0/51
  • 2408:840d:5f5d:8000:0:0:0:0/51
  • 2408:840d:5f5d:a000:0:0:0:0/51
  • 2408:840d:5f5d:c000:0:0:0:0/51
  • 2408:840d:5f5d:e000:0:0:0:0/51
  • 2408:840d:5f5e:0:0:0:0:0/51
  • 2408:840d:5f5e:2000:0:0:0:0/51
  • 2408:840d:5f5e:4000:0:0:0:0/51
  • 2408:840d:5f5e:6000:0:0:0:0/51
  • 2408:840d:5f5e:8000:0:0:0:0/51
  • 2408:840d:5f5e:a000:0:0:0:0/51
  • 2408:840d:5f5e:c000:0:0:0:0/51
  • 2408:840d:5f5e:e000:0:0:0:0/51
  • 2408:840d:5f5f:0:0:0:0:0/51
  • 2408:840d:5f5f:2000:0:0:0:0/51
  • 2408:840d:5f5f:4000:0:0:0:0/51
  • 2408:840d:5f5f:6000:0:0:0:0/51
  • 2408:840d:5f5f:8000:0:0:0:0/51
  • 2408:840d:5f5f:a000:0:0:0:0/51
  • 2408:840d:5f5f:c000:0:0:0:0/51
  • 2408:840d:5f5f:e000:0:0:0:0/51

Get started with 100,000 free lookups: sign up