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Autonomous System

AS42309

Bahnhof AB

Announced IPs
4,096
CIDR prefixes
1
ASN
AS42309

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.

69/100
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
77.240.208.0/20 4.1K
2.1%
Bahnhof AB SE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS42309 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
77.240.208.0/20 7,210 2026-07-23 21:43:07
77.240.222.0/24 7,104 2026-07-23 21:43:07

Frequently Asked Questions

What is AS42309?

AS42309 is an Autonomous System Number assigned to Bahnhof AB. 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 AS42309 announce?

AS42309 announces 4.1K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Sweden.

Who operates AS42309?

AS42309 is operated by Bahnhof AB. The organization is based in Sweden. You can view all IP ranges and related ASNs on the organization page.

What country is AS42309 registered in?

AS42309 is registered in Sweden. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 22:40:31 UTC
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