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Autonomous System

AS203673

Alesund Kommune

Announced IPs
3,072
CIDR prefixes
2
ASN
AS203673

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
84.38.8.0/21 2.0K
0.8%
Alesund Kommune NO Møre og Romsdal Valderøy
185.127.168.0/22 1.0K
0.0%
Alesund Kommune NO

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203673 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.127.168.0/22 8,112 2026-07-31 01:59:43
84.38.8.0/21 8,111 2026-07-31 01:59:11

Frequently Asked Questions

What is AS203673?

AS203673 is an Autonomous System Number assigned to Alesund Kommune. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS203673 announce?

AS203673 announces 3.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Norway.

Who operates AS203673?

AS203673 is operated by Alesund Kommune. The organization is based in Norway. You can view all IP ranges and related ASNs on the organization page.

What country is AS203673 registered in?

AS203673 is registered in Norway. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 02:10:32 UTC
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