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Autonomous System

AS18239 — CAPNET - NO.11 Xi San Huan Zhong Road,Beijing(CN)

Last fetched

AS18239 is an Autonomous System operated by CAPNET - NO.11 Xi San Huan Zhong Road,Beijing and registered in CN. As of Tue, 04 Aug 2026 17:02:47 GMT, it announces 8 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS18239Routing diversity4.8/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/18239

Routing footprint

AS18239 announces 8 distinct routed prefixes. The 8-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

2 distinct peers via BGP. The first 2 are listed below.

Peer ASNOperatorCountry
AS4808CHINA169-BJ - China Unicom Beijing Province NetworkCN
AS56048CMNET-BEIJING-AP - China Mobile Communicaitons CorporationCN

Blast radius

Count of dependent hostnames if AS18239 disappeared from the routing table.

862 hostnames depend on this network.Exact count across all 8 announced prefixes. Snapshot Thu, 11 Jun 2026 19:00:40 GMT.

MOAS / hijack watch

Prefixes routed by AS18239 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 AS18239 is unique to AS18239 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS18239.

Cypher and MCP

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

MATCH (a:ASN {name: "AS18239"})-[: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.