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Autonomous System

AS266992 — Oliveira & Fernandes Telecomunicacoes Ltda(BR)

Last fetched

AS266992 is an Autonomous System operated by Oliveira & Fernandes Telecomunicacoes Ltda and registered in BR. As of Thu, 21 May 2026 16:15:54 GMT, it announces 10 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS266992Routing diversity5.2/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/266992

Routing footprint

AS266992 announces 10 distinct routed prefixes. The 10-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

2 distinct peers via BGP. The first 2 are listed below.

Peer ASNOperatorCountry
AS10429TELEFONICA BRASIL S.ABR
AS262761Sinal Br Telecom LtdaBR

Blast radius

Approximate count of dependent hostnames if AS266992 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 AS266992 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 AS266992 is unique to AS266992 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS266992.

Cypher and MCP

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

MATCH (a:ASN {name: "AS266992"})-[: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.