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Autonomous System

AS46378FSX-350 - FSX HOLDINGS, LLC(US)

Last fetched

AS46378 is an Autonomous System operated by FSX-350 - FSX HOLDINGS, LLC and registered in US. As of Thu, 21 May 2026 01:01:46 GMT, it announces 24 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS46378Routing diversity7.0/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/46378

Routing footprint

AS46378 announces 24 distinct routed prefixes. The 24-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
AS174COGENT-174 - Cogent Communications, LLCUS
AS6461ZAYO-6461 - Zayo BandwidthUS
AS4213EVOCATIVE-GLOBAL - Krypt TechnologiesUS
AS3356LEVEL3 - Level 3 Parent, LLCUS

Blast radius

Approximate count of dependent hostnames if AS46378 disappeared from the routing table.

~2,078 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 01:01:46 GMT.

MOAS / hijack watch

Prefixes routed by AS46378 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 AS46378 is unique to AS46378 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS46378.

Cypher and MCP

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

MATCH (a:ASN {name: "AS46378"})-[: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.