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Autonomous System

AS203544

Allopass SAS

Announced IPs
1,024
CIDR prefixes
1
ASN
AS203544

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
185.119.24.0/22 1.0K
54.4%
Allopass SAS FR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203544 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.119.24.0/22 5,519 2026-08-04 11:07:48

Frequently Asked Questions

What is AS203544?

AS203544 is an Autonomous System Number assigned to Allopass SAS. 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 AS203544 announce?

AS203544 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in France.

Who operates AS203544?

AS203544 is operated by Allopass SAS. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.

What country is AS203544 registered in?

AS203544 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-04 11:25:33 UTC
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