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
3,984
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
2,078
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
16,162

Top Open Ports

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

Port Open IPs
443 602
80 467
22 219
8443 158
53 116
8000 102
81 99
2000 99
23 97
161 97
8082 95
8081 93
5001 93
8888 92
9443 88