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Autonomous System

AS15211 — SQUARE - Square, Inc.(US)

Last fetched

AS15211 is an Autonomous System operated by SQUARE - Square, Inc. and registered in US. As of Thu, 21 May 2026 12:49:08 GMT, it announces 16 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS15211Routing diversity6.1/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/15211

Routing footprint

AS15211 announces 16 distinct routed prefixes. The 16-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

3 distinct peers via BGP. The first 3 are listed below.

Peer ASNOperatorCountry
AS1299TWELVE99 Arelion, fka Telia CarrierSE
AS394628SQUARE-CORP - Square, Inc.US
AS2914NTT-DATA-2914 - NTT America, Inc.US

MOAS / hijack watch

Prefixes routed by AS15211 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 AS15211 is unique to AS15211 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS15211.

Cypher and MCP

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

MATCH (a:ASN {name: "AS15211"})-[: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.