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Autonomous System

AS21554

Last fetched

AS21554 is an Autonomous System. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · AS21554Routing diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/21554

Routing footprint

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Peering ecosystem

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Blast radius

Count of dependent hostnames if AS21554 disappeared from the routing table.

9,800 hostnames depend on this network.Exact count across all 64 announced prefixes. Snapshot Thu, 09 Jul 2026 11:00:52 GMT.

MOAS / hijack watch

Prefixes routed by AS21554 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 AS21554.

Cypher and MCP

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

MATCH (a:ASN {name: "AS21554"})-[: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.