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Autonomous System

AS20249 — AS20249 - Jefferies LLC(US)

Last fetched

AS20249 is an Autonomous System operated by AS20249 - Jefferies LLC and registered in US. As of Thu, 21 May 2026 15:20:38 GMT, it announces 51 routed IP prefixes and peers with 14 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS20249Routing diversity8.6/10Peering density4.7/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/20249

Routing footprint

AS20249 announces 51 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

14 distinct peers via BGP. The first 14 are listed below.

Peer ASNOperatorCountry
AS1828UNITAS - Unitas GlobalUS
AS133012CONL-AS-AP Cocoa Oriental Network LimitedHK
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUS
AS15830EQUINIXNL
AS15570INAP-LON Internap European Autonomous SystemGB
AS13789INTERNAP-BLK3 - Unitas GlobalUS
AS13335CLOUDFLARENET - Cloudflare, Inc.US
AS10913INTERNAP-BLK - Unitas GlobalUS
AS9498BBIL-AP BHARTI Airtel Ltd.IN
AS6461ZAYO-6461 - Zayo BandwidthUS
AS3491PCCWG-APAC-HK PCCW Global HK Ltd.HK
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS2914NTT-DATA-2914 - NTT America, Inc.US
AS2686ATGS-MMD-AS - AT&T Enterprises, LLCUS

Blast radius

Approximate count of dependent hostnames if AS20249 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 AS20249 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 AS20249 is unique to AS20249 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS20249.

Cypher and MCP

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

MATCH (a:ASN {name: "AS20249"})-[: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.

AS20249 — AS20249 - Jefferies LLC — Whisper Internet Directory