Check-Host.cc

Autonomous System

AS20723

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

Announced IPs
IPv4
IPv4 Prefixes
IPv6 Prefixes
Hosted Domains
resolve into this AS
Peers
Customers

AS Profile

AS Name
AS Type
RIR
RIPE NCC
Country
CZ
Allocated
2001-05-14

RPKI Validity

Total ROAs
88
Valid Prefixes
NotFound
Announced (BGP)
RPKI Coverage

Geographic Footprint

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

CZ
1,463

Top Open Ports

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

Port Open IPs
22 157
2000 145
80 80
179 67
443 53
21 25
7547 21
8000 18
23 15
465 14
1723 13
25 12
993 11
587 9
1194 8