Autonomous System

AS28609 — FSOnline Internet(BR)

Last fetched Wed, 20 May 2026 23:30:59 GMT

AS28609 is an Autonomous System operated by FSOnline Internet and registered in BR. As of Wed, 20 May 2026 23:30:59 GMT, it announces 19 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS28609 announces 19 distinct routed prefixes. The 19-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 ASN	Operator	Country
AS53107	FORNET COMUNICACOES LTDA	BR

Blast radius

Approximate count of dependent hostnames if AS28609 disappeared from the routing table.

No dependent hostnames recorded for this network.Snapshot Wed, 20 May 2026 23:30:59 GMT.

MOAS / hijack watch

Prefixes routed by AS28609 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 AS28609 is unique to AS28609 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS28609.

Cypher and MCP

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

MATCH (a:ASN {name: "AS28609"})-[: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.