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Autonomous System

AS4043 — MIC-ASN - Montana Internet Corporation(US)

Last fetched

AS4043 is an Autonomous System operated by MIC-ASN - Montana Internet Corporation and registered in US. As of Sun, 06 Sep 2026 12:47:57 GMT, it announces 5 routed IP prefixes and peers with 8 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS4043Routing diversity3.9/10Peering density3.8/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/4043

Routing footprint

AS4043 announces 5 distinct routed prefixes. The 5-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

8 distinct peers via BGP. The first 8 are listed below.

Peer ASNOperatorCountry
AS24482SGGS-AS-AP - SG.GSSG
AS394256CLOUDSINGULARITY - Tech Futures Interactive Inc.CA
AS399986SPH-HELENA-MT-01 - St. Peter's HealthUS
AS52025PARADOXNETWORKS-LIMITED - ParadoxNetworks LimitedGB
AS6461ZAYO-6461 - Zayo BandwidthUS
AS6939HURRICANE - Hurricane Electric LLCUS
AS7575AARNET-AS-AP - Australian Academic and Research Network (AARNet)AU
AS9002RETN-AS - RETN LimitedGB

Blast radius

Count of dependent hostnames if AS4043 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 AS4043 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 AS4043 is unique to AS4043 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS4043.

Cypher and MCP

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

MATCH (a:ASN {name: "AS4043"})-[: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.