Check-Host.cc

Autonomous System

AS21903 · Arnhem Networks

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

Announced IPs
256
IPv4
IPv4 Prefixes
1
IPv6 Prefixes
8
Hosted Domains
6
resolve into this AS
Peers
6
Customers

AS Profile

AS Name
Arnhem Networks
AS Type
Scope
Global
Traffic
100-1000Mbps
IRR AS-SET
ARIN::AS21903:AS-DOWNSTREAMS
RIR
ARIN
Country
US
Allocated
2023-06-20

RPKI Validity

Total ROAs
132
Valid Prefixes
9
NotFound
Announced (BGP)
9
RPKI Coverage
100%

Geographic Footprint

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

US
7

Top Open Ports

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

Port Open IPs
179 1
443 1
2222 1