Check-Host.cc

Autonomous System

AS17421

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

Announced IPs
1.69M
IPv4
IPv4 Prefixes
191
IPv6 Prefixes
34
Hosted Domains
210
resolve into this AS
Peers
Customers

AS Profile

AS Name
AS Type
RIR
Country
Allocated

RPKI Validity

Total ROAs
77
Valid Prefixes
1
NotFound
224
Announced (BGP)
225
RPKI Coverage
0.4%

Geographic Footprint

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

TW
5,450

Top Open Ports

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

Port Open IPs
80 263
443 166
554 161
53 134
8080 110
502 92
81 68
8000 56
8081 55
9080 40
1723 35
37777 33
22 33
8443 33
7000 30

Upstreams