Autonomous System
AS40543 — EY-AS-PIS2 - Ernst & Young LLP(US)
Last fetched
AS40543 is an Autonomous System operated by EY-AS-PIS2 - Ernst & Young LLP and registered in US. As of Thu, 21 May 2026 11:02:31 GMT, it announces 0 routed IP prefixes and peers with 0 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS40543 announces 0 distinct routed prefixes. The 0-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
AS40543 does not announce any prefixes in the current snapshot.
Peering ecosystem
0 distinct peers via BGP. The first 0 are listed below.
AS40543 has no observed peering relationships in the current snapshot.
Blast radius
Approximate count of dependent hostnames if AS40543 disappeared from the routing table.
No dependent hostnames recorded for this network.Snapshot Thu, 21 May 2026 11:02:31 GMT.
MOAS / hijack watch
Prefixes routed by AS40543 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 AS40543 is unique to AS40543 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS40543.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS40543"})-[: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.