Autonomous System

AS4138 — FN-205-4138 - FAL Networks(US)

Last fetched Wed, 20 May 2026 21:56:40 GMT

AS4138 is an Autonomous System operated by FN-205-4138 - FAL Networks and registered in US. As of Wed, 20 May 2026 21:56:40 GMT, it announces 12 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS4138 announces 12 distinct routed prefixes. The 12-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
AS397373	WEBCONNECTION-AS-AP Web Connection	US

Blast radius

Approximate count of dependent hostnames if AS4138 disappeared from the routing table.

No dependent hostnames recorded for this network.Snapshot Wed, 20 May 2026 21:56:40 GMT.

MOAS / hijack watch

Prefixes routed by AS4138 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 AS4138 is unique to AS4138 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS4138.

Cypher and MCP

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

MATCH (a:ASN {name: "AS4138"})-[: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.