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Autonomous System

AS39904MERIT-AS MERIT GROUP a.s.(CZ)

Last fetched

AS39904 is an Autonomous System operated by MERIT-AS MERIT GROUP a.s. and registered in CZ. As of Thu, 21 May 2026 10:37:27 GMT, it announces 4 routed IP prefixes and peers with 9 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS39904Routing diversity3.5/10Peering density4.0/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/39904

Routing footprint

AS39904 announces 4 distinct routed prefixes. The 4-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

9 distinct peers via BGP. The first 9 are listed below.

Peer ASNOperatorCountry
AS1764NEXTLAYER-ASAT
AS205968ASGENERALNETCZ
AS199604KU-AS OLOMOUCKY KRAJCZ
AS47767RCO-ASCZ
AS29504LBCFREECZ
AS24482SGGS-AS-AP SG.GSSG
AS8218NEO-ASN Zayo EuropeFR
AS6939HURRICANE - Hurricane Electric LLCUS
AS6855SK-TELEKOM Slovak Telekom T-Mobile CZSK

Blast radius

Approximate count of dependent hostnames if AS39904 disappeared from the routing table.

~525 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 10:37:27 GMT.

MOAS / hijack watch

Prefixes routed by AS39904 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 AS39904 is unique to AS39904 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS39904.

Cypher and MCP

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

MATCH (a:ASN {name: "AS39904"})-[: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.