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Autonomous System

AS20741

Administrator Systems AS

Announced IPs
3,328
CIDR prefixes
3
ASN
AS20741

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 →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20741 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.11.180.0/24 10,221 2026-07-31 04:29:56
46.17.16.0/21 7,727 2026-07-31 04:28:47
185.190.168.0/22 7,452 2026-07-31 04:29:56

Frequently Asked Questions

What is AS20741?

AS20741 is an Autonomous System Number assigned to Administrator Systems 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 AS20741 announce?

AS20741 announces 3.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Norway.

Who operates AS20741?

AS20741 is operated by Administrator Systems AS. The organization is based in Norway. You can view all IP ranges and related ASNs on the organization page.

What country is AS20741 registered in?

AS20741 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 04:55:31 UTC
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