Skip to content

Autonomous System

AS19281 — QUAD9-AS-1 - Quad9(US)

Last fetched

AS19281 is an Autonomous System operated by QUAD9-AS-1 - Quad9 and registered in US. As of Thu, 21 May 2026 12:50:58 GMT, it announces 6 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS19281Routing diversity4.2/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/19281

Routing footprint

AS19281 announces 6 distinct routed prefixes. The 6-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
AS42WOODYNET-1 - WoodyNet, Inc.US
AS5050PSC-EXT - Pittsburgh Supercomputing CenterUS

MOAS / hijack watch

Prefixes routed by AS19281 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 AS19281 is unique to AS19281 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS19281.

Cypher and MCP

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

MATCH (a:ASN {name: "AS19281"})-[: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.