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Autonomous System

AS11901 — COSWAN - County of Sacramento(US)

Last fetched

AS11901 is an Autonomous System operated by COSWAN - County of Sacramento and registered in US. As of Thu, 21 May 2026 06:42:12 GMT, it announces 2 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS11901Routing diversity2.4/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/11901

Routing footprint

AS11901 announces 2 distinct routed prefixes. The 2-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
AS23281CITY-OF-SACRAMENTO - City of SacramentoUS
AS6461ZAYO-6461 - Zayo BandwidthUS

MOAS / hijack watch

Prefixes routed by AS11901 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 AS11901 is unique to AS11901 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS11901.

Cypher and MCP

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

MATCH (a:ASN {name: "AS11901"})-[: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.