Autonomous System

AS17621 · China Unicom Shanghai Network

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

bgp.tools RIPEstat

Announced IPs

1.19M

IPv4

IPv4 Prefixes

268

IPv6 Prefixes

420

Hosted Domains

4,025

resolve into this AS

Peers

—

Customers

BGP Peers

No settlement-free peers observed

CAIDA AS-Relationships lists no peer (p2p) ASes — common for stub networks that buy all transit and don't peer publicly, or for content networks whose peering is over private interconnects not visible to public route collectors.

Customers

AS17739 AS17775 AS23853 AS24141 AS37963 AS37965 AS38375 AS38381 AS45073 AS45079 AS45110

AS55956 AS55992 AS55996 AS56006 AS56013

AS58593 AS58850 AS59019 AS59083 AS63538 AS63570 AS63603 AS63641

AS135432 AS137715 AS137746 AS137759 AS137782 AS139148 AS146842 AS151247

IXP Memberships

Not registered on PeeringDB

This ASN isn't listed as a member at any PeeringDB-registered Internet Exchange. PeeringDB registration is voluntary — absence here does NOT prove the AS isn't peering anywhere.