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Autonomous System

AS399305

Westinghouse Air Brake Technologies Corporation

Announced IPs
1,792
CIDR prefixes
3
ASN
AS399305

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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS399305 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
198.246.170.0/23 9,015 2026-08-03 14:05:15
198.246.173.0/24 7,939 2026-08-03 14:05:48
198.246.172.0/22 6,874 2026-08-03 14:06:07
198.246.170.0/24 6,509 2026-08-03 14:06:07
192.88.231.0/24 6,502 2026-08-03 13:46:29

Frequently Asked Questions

What is AS399305?

AS399305 is an Autonomous System Number assigned to Westinghouse Air Brake Technologies Corporation. 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 AS399305 announce?

AS399305 announces 1.8K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS399305?

AS399305 is operated by Westinghouse Air Brake Technologies Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS399305 registered in?

AS399305 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-03 14:42:01 UTC
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