Check-Host.cc

Autonomous System

AS21903 · Arnhem Networks

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
6
Customers

AS Profile

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

RPKI Validity

Total ROAs
96
Valid Prefixes
NotFound
Announced (BGP)
RPKI Coverage

Top Open Ports

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

Port Open IPs
179 1
443 1
2222 1