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Autonomous System

AS11336 — BLACKROCK-FINANCIAL-MANAGEMENT - BlackRock Financial Management, Inc.(US)

Last fetched

AS11336 is an Autonomous System operated by BLACKROCK-FINANCIAL-MANAGEMENT - BlackRock Financial Management, Inc. and registered in US. As of Sun, 06 Sep 2026 14:19:22 GMT, it announces 6 routed IP prefixes and peers with 6 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS11336Routing diversity4.2/10Peering density3.4/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/11336

Routing footprint

AS11336 announces 6 distinct routed prefixes. The 6-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

6 distinct peers via BGP. The first 6 are listed below.

Peer ASNOperatorCountry
AS174COGENT-174 - Cogent Communications, LLCUS
AS22513CHARTER-22513-WA-OR-C3 - Charter Communications LLCUS
AS31747BLACKROCK-FINANCIAL-MANAGEMENT-2 - BlackRock Financial Management, Inc.US
AS32787PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc.US
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS701UUNET - Verizon BusinessUS

Blast radius

Count of dependent hostnames if AS11336 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 AS11336 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 AS11336 is unique to AS11336 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS11336.

Cypher and MCP

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

MATCH (a:ASN {name: "AS11336"})-[: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.