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Autonomous System

AS43909 — CRYSTALL-AS(RU)

Last fetched

AS43909 is an Autonomous System operated by CRYSTALL-AS and registered in RU. As of Thu, 21 May 2026 13:17:48 GMT, it announces 1 routed IP prefix and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS43909Routing diversity1.5/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/43909

Routing footprint

AS43909 announces 1 distinct routed prefix. The 1-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
AS12389ROSTELECOM-AS PJSC Rostelecom. Technical TeamRU
AS43550DSC-ASRU
AS20485TRANSTELECOM Moscow, RussiaRU

MOAS / hijack watch

Prefixes routed by AS43909 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 AS43909 is unique to AS43909 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS43909.

Cypher and MCP

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

MATCH (a:ASN {name: "AS43909"})-[: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.