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

4,012

resolve into this AS

Peers

—

Customers

AS Profile

AS Name

China Unicom Shanghai Network

AS Type

—

Scope

Not Disclosed

Website

http://www.chinaunicom.cn

RIR

—

Country

—

Allocated

—

RPKI Validity

Total ROAs

2,724

Valid Prefixes

518

NotFound

170

Announced (BGP)

688

RPKI Coverage

75.3%

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

16,272

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port	Open IPs
443	626
80	499
22	235
8443	168
53	121
81	110
8000	103
161	102
8082	101
2000	101
23	100
8081	99
5001	98
8888	95
179	91

Upstreams

AS4837

AS9929