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Autonomous System

AS21859

Last fetched

AS21859 is an Autonomous System. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · AS21859Routing diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/21859

Routing footprint

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Peering ecosystem

Peering data is temporarily unavailable. Refresh in a moment to retry.

Blast radius

Count of dependent hostnames if AS21859 disappeared from the routing table.

≥42,600 hostnames depend on this network.Verified lower bound — counted across 50 of 1,787 announced prefixes. The true total is at least this many. Snapshot Fri, 10 Jul 2026 06:00:52 GMT.

MOAS / hijack watch

Prefixes routed by AS21859 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

MOAS conflict data is temporarily unavailable. Refresh in a moment to retry.

Threat posture

Related pages

Pivot deeper into the graph from AS21859.

Cypher and MCP

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

MATCH (a:ASN {name: "AS21859"})-[: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.