Skip to content

Autonomous System

AS12403FEONET-AS(RU)

Last fetched

AS12403 is an Autonomous System operated by FEONET-AS and registered in RU. As of Thu, 21 May 2026 00:57:17 GMT, it announces 17 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS12403Routing diversity6.3/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/12403

Routing footprint

AS12403 announces 17 distinct routed prefixes. The 17-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
AS6789CRELCOM-NETRU
AS201776MIRANDA-AS Miranda-Media LLCRU
AS37721Virtual-Technologies-Solutions-SABF

Blast radius

Approximate count of dependent hostnames if AS12403 disappeared from the routing table.

~177 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 00:57:17 GMT.

MOAS / hijack watch

Prefixes routed by AS12403 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 AS12403 is unique to AS12403 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS12403.

Cypher and MCP

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

MATCH (a:ASN {name: "AS12403"})-[: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.