Autonomous System
AS266355 — AS266355 - SULNET TELECOMUNICACOES LTDA(BR)
Last fetched
AS266355 is an Autonomous System operated by AS266355 - SULNET TELECOMUNICACOES LTDA and registered in BR. As of Sun, 06 Sep 2026 16:08:40 GMT, it announces 6 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS266355 announces 6 distinct routed prefixes. The 6-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.
Blast radius
Count of dependent hostnames if AS266355 disappeared from the routing table.
90 hostnames depend on this network.Exact count across all 6 announced prefixes. Snapshot Sun, 19 Jul 2026 01:00:20 GMT.
MOAS / hijack watch
Prefixes routed by AS266355 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 AS266355 is unique to AS266355 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS266355.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS266355"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.