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Autonomous System

AS18596MADISONTELCO - Madison Telephone Company(US)

Last fetched

AS18596 is an Autonomous System operated by MADISONTELCO - Madison Telephone Company and registered in US. As of Thu, 21 May 2026 11:00:41 GMT, it announces 10 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS18596Routing diversity5.2/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/18596

Routing footprint

AS18596 announces 10 distinct routed prefixes. The 10-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

2 distinct peers via BGP. The first 2 are listed below.

Peer ASNOperatorCountry
AS174COGENT-174 - Cogent Communications, LLCUS
AS6939HURRICANE - Hurricane Electric LLCUS

Blast radius

Approximate count of dependent hostnames if AS18596 disappeared from the routing table.

~234 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 11:00:41 GMT.

MOAS / hijack watch

Prefixes routed by AS18596 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 AS18596 is unique to AS18596 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS18596.

Cypher and MCP

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

MATCH (a:ASN {name: "AS18596"})-[: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.