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 Thu, 21 May 2026 10:30:43 GMT, it announces 5 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
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
4 distinct peers via BGP. The first 4 are listed below.
Blast radius
Approximate count of dependent hostnames if AS4043 disappeared from the routing table.
~547 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 10:30:43 GMT.
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 countryOr query Whisper from your own LLM workflow via the Whisper MCP server.