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Autonomous System

AS53975

WESTERN ASSET MANAGEMENT COMPANY

Announced IPs
1,792
CIDR prefixes
3
ASN
AS53975

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
199.192.132.0/22 1.0K
1.9%
WESTERN ASSET MANAGEMENT COMPANY US
199.192.128.0/23 512
3.1%
WESTERN ASSET MANAGEMENT COMPANY US
199.192.131.0/24 256
0.8%
WESTERN ASSET MANAGEMENT COMPANY US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS53975 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
199.192.132.0/24 9,132 2026-07-30 06:16:22
199.192.133.0/24 9,126 2026-07-30 06:16:22
199.192.135.0/24 5,312 2026-07-30 06:16:16
199.192.129.0/24 5,298 2026-07-30 06:16:16
199.192.131.0/24 5,294 2026-07-30 06:16:16
199.192.134.0/24 5,290 2026-07-30 06:16:16
199.192.128.0/24 5,276 2026-07-30 06:16:16

Frequently Asked Questions

What is AS53975?

AS53975 is an Autonomous System Number assigned to WESTERN ASSET MANAGEMENT COMPANY. 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 AS53975 announce?

AS53975 announces 1.8K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS53975?

AS53975 is operated by WESTERN ASSET MANAGEMENT COMPANY. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS53975 registered in?

AS53975 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: 2026-07-30 06:40:31 UTC
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