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Autonomous System

AS44381

ITsjefen AS

Announced IPs
14,848
CIDR prefixes
8
ASN
AS44381

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 →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 10-20Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS-ITSJEFEN

Present at 1 internet exchange: TRDIX Trondheim

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS44381 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
44.31.78.0/24 8,170 2026-07-24 13:53:44
5.145.152.0/21 7,851 2026-07-24 13:53:44
45.154.233.0/24 6,864 2026-07-24 13:53:44
217.144.64.0/20 6,837 2026-07-24 13:53:44
45.154.232.0/24 6,831 2026-07-24 13:53:44
193.160.138.0/24 6,763 2026-07-24 13:53:44
92.62.32.0/20 6,753 2026-07-24 13:53:44
95.141.64.0/20 6,735 2026-07-24 13:53:44

Frequently Asked Questions

What is AS44381?

AS44381 is an Autonomous System Number assigned to ITsjefen AS. 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 AS44381 announce?

AS44381 announces 14.8K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Norway.

Who operates AS44381?

AS44381 is operated by ITsjefen AS. The organization is based in Norway. You can view all IP ranges and related ASNs on the organization page.

What country is AS44381 registered in?

AS44381 is registered in Norway. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 14:55:31 UTC
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