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Autonomous System

AS21887

Last fetched

AS21887 is an Autonomous System. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · AS21887Routing diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/21887

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 AS21887 disappeared from the routing table.

12,041 hostnames depend on this network.Exact count across all 21 announced prefixes. Snapshot Fri, 10 Jul 2026 06:00:58 GMT.

MOAS / hijack watch

Prefixes routed by AS21887 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 AS21887.

Cypher and MCP

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

MATCH (a:ASN {name: "AS21887"})-[: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.