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Autonomous System

AS203520XANTARO(DE)

Last fetched

AS203520 is an Autonomous System operated by XANTARO and registered in DE. As of Thu, 21 May 2026 05:51:49 GMT, it announces 4 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS203520Routing diversity3.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/203520

Routing footprint

AS203520 announces 4 distinct routed prefixes. The 4-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
AS12312ECOTELDE
AS13237LAMBDANET-AS European Backbone of AS13237DE

Blast radius

Approximate count of dependent hostnames if AS203520 disappeared from the routing table.

~6 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 05:51:49 GMT.

MOAS / hijack watch

Prefixes routed by AS203520 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 AS203520 is unique to AS203520 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS203520.

Cypher and MCP

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

MATCH (a:ASN {name: "AS203520"})-[: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.

AS203520 — XANTARO — Whisper Internet Directory