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Autonomous System

AS58239CARTUBANK-AS(CZ)

Last fetched

AS58239 is an Autonomous System operated by CARTUBANK-AS and registered in CZ. As of Wed, 20 May 2026 21:53:25 GMT, it announces 5 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS58239Routing diversity3.9/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/58239

Routing footprint

AS58239 announces 5 distinct routed prefixes. The 5-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
AS1764NEXTLAYER-ASAT
AS6855SK-TELEKOM Slovak Telekom T-Mobile CZSK

Blast radius

Approximate count of dependent hostnames if AS58239 disappeared from the routing table.

~66 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:53:25 GMT.

MOAS / hijack watch

Prefixes routed by AS58239 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 AS58239 is unique to AS58239 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS58239.

Cypher and MCP

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

MATCH (a:ASN {name: "AS58239"})-[: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.