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Autonomous System

AS266752 — SILVESTRI MARCO FEDERICO(AR)

Last fetched

AS266752 is an Autonomous System operated by SILVESTRI MARCO FEDERICO and registered in AR. As of Thu, 21 May 2026 12:44:29 GMT, it announces 5 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS266752Routing diversity3.9/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/266752

Routing footprint

AS266752 announces 5 distinct routed prefixes. The 5-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

1 distinct peers via BGP. The first 1 are listed below.

Peer ASNOperatorCountry
AS7303Telecom Argentina S.A.AR

MOAS / hijack watch

Prefixes routed by AS266752 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 AS266752 is unique to AS266752 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS266752.

Cypher and MCP

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

MATCH (a:ASN {name: "AS266752"})-[: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.