Autonomous System

AS43 — BNL-AS - Brookhaven National Laboratory(US)

Last fetched Thu, 21 May 2026 06:16:08 GMT

AS43 is an Autonomous System operated by BNL-AS - Brookhaven National Laboratory and registered in US. As of Thu, 21 May 2026 06:16:08 GMT, it announces 8 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS43 announces 8 distinct routed prefixes. The 8-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
AS293	ESNET - ESnet	US

Blast radius

Approximate count of dependent hostnames if AS43 disappeared from the routing table.

~295 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 06:16:08 GMT.

MOAS / hijack watch

Prefixes routed by AS43 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 AS43 is unique to AS43 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS43.

Cypher and MCP

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

MATCH (a:ASN {name: "AS43"})-[: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.