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Autonomous System

AS23233 — FENWICK - Fenwick & West, LLP.(US)

Last fetched

AS23233 is an Autonomous System operated by FENWICK - Fenwick & West, LLP. and registered in US. As of Thu, 21 May 2026 15:38:03 GMT, it announces 3 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS23233Routing diversity3.0/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/23233

Routing footprint

AS23233 announces 3 distinct routed prefixes. The 3-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.

Peer ASNOperatorCountry
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS19893NTT-GLOBAL-DATA-CENTERS-AMERICA-INC - NTT Global Data Centers Americas, INC.US
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUS

Blast radius

Approximate count of dependent hostnames if AS23233 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS23233 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 AS23233 is unique to AS23233 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS23233.

Cypher and MCP

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

MATCH (a:ASN {name: "AS23233"})-[: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.