Check-Host.cc

Autonomous System

AS17621 · China Unicom Shanghai Network

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

Announced IPs
1.19M
IPv4
IPv4 Prefixes
268
IPv6 Prefixes
420
Hosted Domains
3,969
resolve into this AS
Peers
Customers
37

AS Profile

AS Name
China Unicom Shanghai Network
AS Type
Scope
Not Disclosed
RIR
Country
Allocated

RPKI Validity

Total ROAs
3,370
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.

CN
16,116

Top Open Ports

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

Port Open IPs
443 593
80 457
22 215
8443 152
53 115
8000 102
81 98
2000 98
23 93
161 92
8082 91
5001 90
8888 89
8081 89
8088 87