AS17621 China Unicom Shanghai network 🇨🇳 CN
China Unicom. Announcing 814 prefixes, seen at the RIS collectors.
IPv4 prefixes
390
1,293,312 (5,052 × /24)
IPv6 prefixes
424
25 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
37
transit customers observed
Customer cone
38
ASes reachable through it
Registry and operator data
- AS number
- AS17621
- Name
- China Unicom Shanghai network
- Organisation
- China Unicom Shanghai Network
- Country
- 🇨🇳 CN
- RIR
- APNIC
- Allocated
- 2001-01-18
- Scope
- Not Disclosed
- Peering policy
- Open
- Website
- http://www.chinaunicom.cn
- PeeringDB
- net/32733
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
as-block: AS17408 - AS17651 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: 2019-01-08T23:22:27Z 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: AS17621 as-name: CNCGROUP-SH descr: China Unicom Shanghai network country: CN import: from AS4837 action pref=100; accept ANY import: from AS9929 action pref=100; accept ANY export: to AS4837 announce AS17621 export: to AS9929 announce AS17621 admin-c: CH1302-AP tech-c: CH1302-AP abuse-c: AC1718-AP mnt-lower: MAINT-CNCGROUP mnt-routes: MAINT-CNCGROUP-RR mnt-by: APNIC-HM mnt-irt: IRT-CU-CN last-modified: 2023-10-21T03:42:06Z 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 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