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Autonomous System

AS39790 — WEB4U(CZ)

Last fetched

AS39790 is an Autonomous System operated by WEB4U and registered in CZ. As of Thu, 21 May 2026 18:42:20 GMT, it announces 8 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS39790Routing diversity4.8/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/39790

Routing footprint

AS39790 announces 8 distinct routed prefixes. The 8-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

3 distinct peers via BGP. The first 3 are listed below.

Peer ASNOperatorCountry
AS6939HURRICANE - Hurricane Electric LLCUS
AS199803COMSOURCECZ
AS25248BLUETONE-AS The Czech RepublicCZ

Blast radius

Approximate count of dependent hostnames if AS39790 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 AS39790 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 AS39790 is unique to AS39790 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS39790.

Cypher and MCP

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

MATCH (a:ASN {name: "AS39790"})-[: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.