IP subnet details

2408:866c:200::/42

AS4837  — China Unicom China169 Backbone

Summary

Country
CN China
Domain chinaunicom.com
Size 77,371,252,455,336,270,000,000,000
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: 2408:866c::/32
origin: AS4837
descr: China Unicom
B811&A1218, China Unicom
No.21, Jin-Rong Street
mnt-by: MAINT-CNCGROUP-RR
last-modified: 2023-06-15T02:17:42Z
source: APNIC

CIDR IP address subranges within 2408:866c:200::/42 subnet

  • 2408:866c:200:0:0:0:0:0/50
  • 2408:866c:200:4000:0:0:0:0/50
  • 2408:866c:200:8000:0:0:0:0/50
  • 2408:866c:200:c000:0:0:0:0/50
  • 2408:866c:201:0:0:0:0:0/50
  • 2408:866c:201:4000:0:0:0:0/50
  • 2408:866c:201:8000:0:0:0:0/50
  • 2408:866c:201:c000:0:0:0:0/50
  • 2408:866c:202:0:0:0:0:0/50
  • 2408:866c:202:4000:0:0:0:0/50
  • 2408:866c:202:8000:0:0:0:0/50
  • 2408:866c:202:c000:0:0:0:0/50
  • 2408:866c:203:0:0:0:0:0/50
  • 2408:866c:203:4000:0:0:0:0/50
  • 2408:866c:203:8000:0:0:0:0/50
  • 2408:866c:203:c000:0:0:0:0/50
  • 2408:866c:204:0:0:0:0:0/50
  • 2408:866c:204:4000:0:0:0:0/50
  • 2408:866c:204:8000:0:0:0:0/50
  • 2408:866c:204:c000:0:0:0:0/50
  • 2408:866c:205:0:0:0:0:0/50
  • 2408:866c:205:4000:0:0:0:0/50
  • 2408:866c:205:8000:0:0:0:0/50
  • 2408:866c:205:c000:0:0:0:0/50
  • 2408:866c:206:0:0:0:0:0/50
  • 2408:866c:206:4000:0:0:0:0/50
  • 2408:866c:206:8000:0:0:0:0/50
  • 2408:866c:206:c000:0:0:0:0/50
  • 2408:866c:207:0:0:0:0:0/50
  • 2408:866c:207:4000:0:0:0:0/50
  • 2408:866c:207:8000:0:0:0:0/50
  • 2408:866c:207:c000:0:0:0:0/50
  • 2408:866c:208:0:0:0:0:0/50
  • 2408:866c:208:4000:0:0:0:0/50
  • 2408:866c:208:8000:0:0:0:0/50
  • 2408:866c:208:c000:0:0:0:0/50
  • 2408:866c:209:0:0:0:0:0/50
  • 2408:866c:209:4000:0:0:0:0/50
  • 2408:866c:209:8000:0:0:0:0/50
  • 2408:866c:209:c000:0:0:0:0/50
  • 2408:866c:20a:0:0:0:0:0/50
  • 2408:866c:20a:4000:0:0:0:0/50
  • 2408:866c:20a:8000:0:0:0:0/50
  • 2408:866c:20a:c000:0:0:0:0/50
  • 2408:866c:20b:0:0:0:0:0/50
  • 2408:866c:20b:4000:0:0:0:0/50
  • 2408:866c:20b:8000:0:0:0:0/50
  • 2408:866c:20b:c000:0:0:0:0/50
  • 2408:866c:20c:0:0:0:0:0/50
  • 2408:866c:20c:4000:0:0:0:0/50
  • 2408:866c:20c:8000:0:0:0:0/50
  • 2408:866c:20c:c000:0:0:0:0/50
  • 2408:866c:20d:0:0:0:0:0/50
  • 2408:866c:20d:4000:0:0:0:0/50
  • 2408:866c:20d:8000:0:0:0:0/50
  • 2408:866c:20d:c000:0:0:0:0/50
  • 2408:866c:20e:0:0:0:0:0/50
  • 2408:866c:20e:4000:0:0:0:0/50
  • 2408:866c:20e:8000:0:0:0:0/50
  • 2408:866c:20e:c000:0:0:0:0/50
  • 2408:866c:20f:0:0:0:0:0/50
  • 2408:866c:20f:4000:0:0:0:0/50
  • 2408:866c:20f:8000:0:0:0:0/50
  • 2408:866c:20f:c000:0:0:0:0/50
  • 2408:866c:210:0:0:0:0:0/50
  • 2408:866c:210:4000:0:0:0:0/50
  • 2408:866c:210:8000:0:0:0:0/50
  • 2408:866c:210:c000:0:0:0:0/50
  • 2408:866c:211:0:0:0:0:0/50
  • 2408:866c:211:4000:0:0:0:0/50
  • 2408:866c:211:8000:0:0:0:0/50
  • 2408:866c:211:c000:0:0:0:0/50
  • 2408:866c:212:0:0:0:0:0/50
  • 2408:866c:212:4000:0:0:0:0/50
  • 2408:866c:212:8000:0:0:0:0/50
  • 2408:866c:212:c000:0:0:0:0/50
  • 2408:866c:213:0:0:0:0:0/50
  • 2408:866c:213:4000:0:0:0:0/50
  • 2408:866c:213:8000:0:0:0:0/50
  • 2408:866c:213:c000:0:0:0:0/50
  • 2408:866c:214:0:0:0:0:0/50
  • 2408:866c:214:4000:0:0:0:0/50
  • 2408:866c:214:8000:0:0:0:0/50
  • 2408:866c:214:c000:0:0:0:0/50
  • 2408:866c:215:0:0:0:0:0/50
  • 2408:866c:215:4000:0:0:0:0/50
  • 2408:866c:215:8000:0:0:0:0/50
  • 2408:866c:215:c000:0:0:0:0/50
  • 2408:866c:216:0:0:0:0:0/50
  • 2408:866c:216:4000:0:0:0:0/50
  • 2408:866c:216:8000:0:0:0:0/50
  • 2408:866c:216:c000:0:0:0:0/50
  • 2408:866c:217:0:0:0:0:0/50
  • 2408:866c:217:4000:0:0:0:0/50
  • 2408:866c:217:8000:0:0:0:0/50
  • 2408:866c:217:c000:0:0:0:0/50
  • 2408:866c:218:0:0:0:0:0/50
  • 2408:866c:218:4000:0:0:0:0/50
  • 2408:866c:218:8000:0:0:0:0/50
  • 2408:866c:218:c000:0:0:0:0/50
  • 2408:866c:219:0:0:0:0:0/50
  • 2408:866c:219:4000:0:0:0:0/50
  • 2408:866c:219:8000:0:0:0:0/50
  • 2408:866c:219:c000:0:0:0:0/50
  • 2408:866c:21a:0:0:0:0:0/50
  • 2408:866c:21a:4000:0:0:0:0/50
  • 2408:866c:21a:8000:0:0:0:0/50
  • 2408:866c:21a:c000:0:0:0:0/50
  • 2408:866c:21b:0:0:0:0:0/50
  • 2408:866c:21b:4000:0:0:0:0/50
  • 2408:866c:21b:8000:0:0:0:0/50
  • 2408:866c:21b:c000:0:0:0:0/50
  • 2408:866c:21c:0:0:0:0:0/50
  • 2408:866c:21c:4000:0:0:0:0/50
  • 2408:866c:21c:8000:0:0:0:0/50
  • 2408:866c:21c:c000:0:0:0:0/50
  • 2408:866c:21d:0:0:0:0:0/50
  • 2408:866c:21d:4000:0:0:0:0/50
  • 2408:866c:21d:8000:0:0:0:0/50
  • 2408:866c:21d:c000:0:0:0:0/50
  • 2408:866c:21e:0:0:0:0:0/50
  • 2408:866c:21e:4000:0:0:0:0/50
  • 2408:866c:21e:8000:0:0:0:0/50
  • 2408:866c:21e:c000:0:0:0:0/50
  • 2408:866c:21f:0:0:0:0:0/50
  • 2408:866c:21f:4000:0:0:0:0/50
  • 2408:866c:21f:8000:0:0:0:0/50
  • 2408:866c:21f:c000:0:0:0:0/50
  • 2408:866c:220:0:0:0:0:0/50
  • 2408:866c:220:4000:0:0:0:0/50
  • 2408:866c:220:8000:0:0:0:0/50
  • 2408:866c:220:c000:0:0:0:0/50
  • 2408:866c:221:0:0:0:0:0/50
  • 2408:866c:221:4000:0:0:0:0/50
  • 2408:866c:221:8000:0:0:0:0/50
  • 2408:866c:221:c000:0:0:0:0/50
  • 2408:866c:222:0:0:0:0:0/50
  • 2408:866c:222:4000:0:0:0:0/50
  • 2408:866c:222:8000:0:0:0:0/50
  • 2408:866c:222:c000:0:0:0:0/50
  • 2408:866c:223:0:0:0:0:0/50
  • 2408:866c:223:4000:0:0:0:0/50
  • 2408:866c:223:8000:0:0:0:0/50
  • 2408:866c:223:c000:0:0:0:0/50
  • 2408:866c:224:0:0:0:0:0/50
  • 2408:866c:224:4000:0:0:0:0/50
  • 2408:866c:224:8000:0:0:0:0/50
  • 2408:866c:224:c000:0:0:0:0/50
  • 2408:866c:225:0:0:0:0:0/50
  • 2408:866c:225:4000:0:0:0:0/50
  • 2408:866c:225:8000:0:0:0:0/50
  • 2408:866c:225:c000:0:0:0:0/50
  • 2408:866c:226:0:0:0:0:0/50
  • 2408:866c:226:4000:0:0:0:0/50
  • 2408:866c:226:8000:0:0:0:0/50
  • 2408:866c:226:c000:0:0:0:0/50
  • 2408:866c:227:0:0:0:0:0/50
  • 2408:866c:227:4000:0:0:0:0/50
  • 2408:866c:227:8000:0:0:0:0/50
  • 2408:866c:227:c000:0:0:0:0/50
  • 2408:866c:228:0:0:0:0:0/50
  • 2408:866c:228:4000:0:0:0:0/50
  • 2408:866c:228:8000:0:0:0:0/50
  • 2408:866c:228:c000:0:0:0:0/50
  • 2408:866c:229:0:0:0:0:0/50
  • 2408:866c:229:4000:0:0:0:0/50
  • 2408:866c:229:8000:0:0:0:0/50
  • 2408:866c:229:c000:0:0:0:0/50
  • 2408:866c:22a:0:0:0:0:0/50
  • 2408:866c:22a:4000:0:0:0:0/50
  • 2408:866c:22a:8000:0:0:0:0/50
  • 2408:866c:22a:c000:0:0:0:0/50
  • 2408:866c:22b:0:0:0:0:0/50
  • 2408:866c:22b:4000:0:0:0:0/50
  • 2408:866c:22b:8000:0:0:0:0/50
  • 2408:866c:22b:c000:0:0:0:0/50
  • 2408:866c:22c:0:0:0:0:0/50
  • 2408:866c:22c:4000:0:0:0:0/50
  • 2408:866c:22c:8000:0:0:0:0/50
  • 2408:866c:22c:c000:0:0:0:0/50
  • 2408:866c:22d:0:0:0:0:0/50
  • 2408:866c:22d:4000:0:0:0:0/50
  • 2408:866c:22d:8000:0:0:0:0/50
  • 2408:866c:22d:c000:0:0:0:0/50
  • 2408:866c:22e:0:0:0:0:0/50
  • 2408:866c:22e:4000:0:0:0:0/50
  • 2408:866c:22e:8000:0:0:0:0/50
  • 2408:866c:22e:c000:0:0:0:0/50
  • 2408:866c:22f:0:0:0:0:0/50
  • 2408:866c:22f:4000:0:0:0:0/50
  • 2408:866c:22f:8000:0:0:0:0/50
  • 2408:866c:22f:c000:0:0:0:0/50
  • 2408:866c:230:0:0:0:0:0/50
  • 2408:866c:230:4000:0:0:0:0/50
  • 2408:866c:230:8000:0:0:0:0/50
  • 2408:866c:230:c000:0:0:0:0/50
  • 2408:866c:231:0:0:0:0:0/50
  • 2408:866c:231:4000:0:0:0:0/50
  • 2408:866c:231:8000:0:0:0:0/50
  • 2408:866c:231:c000:0:0:0:0/50
  • 2408:866c:232:0:0:0:0:0/50
  • 2408:866c:232:4000:0:0:0:0/50
  • 2408:866c:232:8000:0:0:0:0/50
  • 2408:866c:232:c000:0:0:0:0/50
  • 2408:866c:233:0:0:0:0:0/50
  • 2408:866c:233:4000:0:0:0:0/50
  • 2408:866c:233:8000:0:0:0:0/50
  • 2408:866c:233:c000:0:0:0:0/50
  • 2408:866c:234:0:0:0:0:0/50
  • 2408:866c:234:4000:0:0:0:0/50
  • 2408:866c:234:8000:0:0:0:0/50
  • 2408:866c:234:c000:0:0:0:0/50
  • 2408:866c:235:0:0:0:0:0/50
  • 2408:866c:235:4000:0:0:0:0/50
  • 2408:866c:235:8000:0:0:0:0/50
  • 2408:866c:235:c000:0:0:0:0/50
  • 2408:866c:236:0:0:0:0:0/50
  • 2408:866c:236:4000:0:0:0:0/50
  • 2408:866c:236:8000:0:0:0:0/50
  • 2408:866c:236:c000:0:0:0:0/50
  • 2408:866c:237:0:0:0:0:0/50
  • 2408:866c:237:4000:0:0:0:0/50
  • 2408:866c:237:8000:0:0:0:0/50
  • 2408:866c:237:c000:0:0:0:0/50
  • 2408:866c:238:0:0:0:0:0/50
  • 2408:866c:238:4000:0:0:0:0/50
  • 2408:866c:238:8000:0:0:0:0/50
  • 2408:866c:238:c000:0:0:0:0/50
  • 2408:866c:239:0:0:0:0:0/50
  • 2408:866c:239:4000:0:0:0:0/50
  • 2408:866c:239:8000:0:0:0:0/50
  • 2408:866c:239:c000:0:0:0:0/50
  • 2408:866c:23a:0:0:0:0:0/50
  • 2408:866c:23a:4000:0:0:0:0/50
  • 2408:866c:23a:8000:0:0:0:0/50
  • 2408:866c:23a:c000:0:0:0:0/50
  • 2408:866c:23b:0:0:0:0:0/50
  • 2408:866c:23b:4000:0:0:0:0/50
  • 2408:866c:23b:8000:0:0:0:0/50
  • 2408:866c:23b:c000:0:0:0:0/50
  • 2408:866c:23c:0:0:0:0:0/50
  • 2408:866c:23c:4000:0:0:0:0/50
  • 2408:866c:23c:8000:0:0:0:0/50
  • 2408:866c:23c:c000:0:0:0:0/50
  • 2408:866c:23d:0:0:0:0:0/50
  • 2408:866c:23d:4000:0:0:0:0/50
  • 2408:866c:23d:8000:0:0:0:0/50
  • 2408:866c:23d:c000:0:0:0:0/50
  • 2408:866c:23e:0:0:0:0:0/50
  • 2408:866c:23e:4000:0:0:0:0/50
  • 2408:866c:23e:8000:0:0:0:0/50
  • 2408:866c:23e:c000:0:0:0:0/50
  • 2408:866c:23f:0:0:0:0:0/50
  • 2408:866c:23f:4000:0:0:0:0/50
  • 2408:866c:23f:8000:0:0:0:0/50
  • 2408:866c:23f:c000:0:0:0:0/50

Get started with 100,000 free lookups: sign up