Check-Host.cc

Autonomous System

AS20738

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
GB
Allocated
2001-05-15

RPKI Validity

Total ROAs
Valid Prefixes
NotFound
Announced (BGP)
RPKI Coverage

Geographic Footprint

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

GB
2,899
CH
77
US
10

Top Open Ports

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

Port Open IPs
443 268
80 212
53 200
143 196
22 175
995 175
587 165
110 151
993 136
2083 130
465 124
2087 119
25 118
2082 109
21 105

Upstreams

Tier-1 / transit-free network

CAIDA AS-Relationships sees no upstream transit provider for this ASN — either a tier-1 carrier, a settlement-free routing arrangement, or an ASN that peers privately. Tier-1s like AS174, AS3356, AS6939 also show empty here.