AS138421 China Unicom 🇨🇳 CN
Announcing 286 prefixes, seen at the RIS collectors.
IPv4 prefixes
246
187,904 (734 × /24)
IPv6 prefixes
40
535 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
4
ASes reachable through it
Registry and operator data
- AS number
- AS138421
- Name
- China Unicom
- Organisation
- China Unicom
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2018-11-13
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
as-block: AS137530 - AS138553 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2017-12-08T06:45:58Z source: APNIC role: APNIC Hostmaster address: PO Box 3646 address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: helpdesk@apnic.net admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: hostmaster@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2026-08-26T00:40:00Z source: APNIC aut-num: AS138421 as-name: CU-CN-AS descr: China Unicom descr: A1218, China Unicom descr: No.21, Jin-Rong Street country: CN org: ORG-CU1-AP admin-c: CH1302-AP tech-c: CH1302-AP abuse-c: AC1718-AP notify: zhouxm@chinaunicom.cn mnt-lower: MAINT-CN-CUCGROUP mnt-routes: MAINT-CN-CUCGROUP mnt-by: APNIC-HM mnt-irt: IRT-CU-CN last-modified: 2023-10-21T03:33:17Z source: APNIC irt: IRT-CU-CN address: No.21,Financial Street address: Beijing,100033 address: P.R.China e-mail: hqs-ipabuse@chinaunicom.cn abuse-mailbox: hqs-ipabuse@chinaunicom.cn admin-c: CH1302-AP tech-c: CH1302-AP auth: # Filtered remarks: hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19 mnt-by: MAINT-CNCGROUP last-modified: 2026-08-19T00:57:22Z source: APNIC organisation: ORG-CU1-AP org-name: China Unicom country: CN address: B811&A1218, China Unicom address: No.21, Jin-Rong Street phone: +86-10-66259626 fax-no: +86-10-66259154 e-mail: zhaoyz3@chinaunicom.cn mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2019-12-25T12:55:24Z source: APNIC role: ABUSE CUCN country: ZZ address: No.21,Financial Street address: Beijing,100033 address: P.R.China phone: +000000000 e-mail: hqs-ipabuse@chinaunicom.cn admin-c: CH1302-AP tech-c: CH1302-AP nic-hdl: AC1718-AP remarks: Generated from irt object IRT-CU-CN remarks: hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19 abuse-mailbox: hqs-ipabuse@chinaunicom.cn mnt-by: APNIC-ABUSE last-modified: 2026-08-20T03:22:23Z source: APNIC person: ChinaUnicom Hostmaster nic-hdl: CH1302-AP e-mail: hqs-ipabuse@chinaunicom.cn 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