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Autonomous System

AS18239CAPNET 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 Thu, 21 May 2026 11:11:13 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

Approximate count of dependent hostnames if AS18239 disappeared from the routing table.

~864 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 11:11:13 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.