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Autonomous System

AS201720

IT-Forsyningen I/S

Announced IPs
1,024
CIDR prefixes
1
ASN
AS201720

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
185.56.164.0/22 1.0K
0.1%
Fredensborg Kommune DK

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS201720 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.56.164.0/22 6,164 2026-07-13 06:46:18

Frequently Asked Questions

What is AS201720?

AS201720 is an Autonomous System Number assigned to IT-Forsyningen I/S. 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 AS201720 announce?

AS201720 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Denmark.

Who operates AS201720?

AS201720 is operated by IT-Forsyningen I/S. The organization is based in Denmark. You can view all IP ranges and related ASNs on the organization page.

What country is AS201720 registered in?

AS201720 is registered in Denmark. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 06:40:30 UTC
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