Skip to content

Autonomous System

AS18521AMERICAN-CAMPUS-COMMUNITIES - American Campus Communities, Inc(US)

Last fetched

AS18521 is an Autonomous System operated by AMERICAN-CAMPUS-COMMUNITIES - American Campus Communities, Inc and registered in US. As of Wed, 20 May 2026 21:55:06 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS18521Routing diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/18521

Routing footprint

AS18521 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

1 distinct peers via BGP. The first 1 are listed below.

Peer ASNOperatorCountry
AS11427TWC-11427-TEXAS - Charter Communications IncUS

Blast radius

Approximate count of dependent hostnames if AS18521 disappeared from the routing table.

~10 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:55:06 GMT.

MOAS / hijack watch

Prefixes routed by AS18521 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 AS18521 is unique to AS18521 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS18521.

Cypher and MCP

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

MATCH (a:ASN {name: "AS18521"})-[: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.