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Autonomous System

AS4583 — THOMSON-REUTERS - West Publishing Corporation(US)

Last fetched

AS4583 is an Autonomous System operated by THOMSON-REUTERS - West Publishing Corporation and registered in US. As of Tue, 04 Aug 2026 03:42:45 GMT, it announces 7 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS4583Routing diversity4.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/4583

Routing footprint

AS4583 announces 7 distinct routed prefixes. The 7-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

4 distinct peers via BGP. The first 4 are listed below.

Peer ASNOperatorCountry
AS2686ATGS-MMD-AS - AT&T Enterprises, LLCUS
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS6461ZAYO-6461 - Zayo BandwidthUS
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUS

Blast radius

Count of dependent hostnames if AS4583 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS4583 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

No active MOAS conflicts. Every prefix announced by AS4583 is unique to AS4583 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS4583.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS4583"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.