Check-Host.cc

Autonomous System

AS56983 · SWIDMAN

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

Announced IPs
4,096
IPv4
IPv4 Prefixes
1
IPv6 Prefixes
Hosted Domains
37
resolve into this AS
Peers
3
Customers

AS Profile

AS Name
SWIDMAN
AS Type
Cable/DSL/ISP
Scope
Europe
Traffic
20-50Gbps
RIR
RIPE NCC
Country
PL
Allocated
2011-06-28

RPKI Validity

Total ROAs
Valid Prefixes
NotFound
Announced (BGP)
1
RPKI Coverage

Geographic Footprint

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

PL
139

Top Open Ports

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

Port Open IPs
80 12
443 9
8888 5
110 4
1723 4
21 4
22 3
2000 2
9100 2
1194 2
53 2
7070 2
8443 2
8088 1
8089 1

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.