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Autonomous System

AS397025

Alstom Transport SA

Announced IPs
512
CIDR prefixes
1
ASN
AS397025

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
160.223.180.0/23 512
0.0%
Alstom Transport SA FR
160.223.180.0/24 256
0.0%
Alstom Transport SA DE
160.223.181.0/24 256
0.0%
Alstom Transport SA FR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS397025 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
160.223.180.0/24 9,313 2026-08-02 22:11:28
160.223.181.0/24 4,485 2026-08-02 22:11:28

Frequently Asked Questions

What is AS397025?

AS397025 is an Autonomous System Number assigned to Alstom Transport SA. 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 AS397025 announce?

AS397025 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Canada.

Who operates AS397025?

AS397025 is operated by Alstom Transport SA. The organization is based in Canada. You can view all IP ranges and related ASNs on the organization page.

What country is AS397025 registered in?

AS397025 is registered in Canada. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-02 23:25:31 UTC
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