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Autonomous System

AS25151 — CYSO-AS(NL)

Last fetched

AS25151 is an Autonomous System operated by CYSO-AS and registered in NL. As of Thu, 21 May 2026 15:55:42 GMT, it announces 28 routed IP prefixes and peers with 12 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS25151Routing diversity7.3/10Peering density4.4/10MOAS conflict✓ noneThreat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/25151

Routing footprint

AS25151 announces 28 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

12 distinct peers via BGP. The first 12 are listed below.

Peer ASNOperatorCountry
AS1299TWELVE99 Arelion, fka Telia CarrierSE
AS213241TECHITBE
AS200020NBIP-ASNL
AS48362TKSWF-ASAT
AS37721Virtual-Technologies-Solutions-SABF
AS29632NASSIST-ASBG
AS29390CTU-ASBG
AS15535VIRTUALXS-ASNL
AS9002RETN-ASGB
AS6939HURRICANE - Hurricane Electric LLCUS
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS2914NTT-DATA-2914 - NTT America, Inc.US

Blast radius

Approximate count of dependent hostnames if AS25151 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS25151 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 AS25151 is unique to AS25151 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS25151.

Cypher and MCP

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

MATCH (a:ASN {name: "AS25151"})-[: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.