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Autonomous System

AS19661 — SUSQ-BALA - Susquehanna International Group, LLP(US)

Last fetched

AS19661 is an Autonomous System operated by SUSQ-BALA - Susquehanna International Group, LLP and registered in US. As of Sun, 06 Sep 2026 13:21:07 GMT, it announces 14 routed IP prefixes and peers with 7 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS19661Routing diversity5.9/10Peering density3.6/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/19661

Routing footprint

AS19661 announces 14 distinct routed prefixes. The 14-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

7 distinct peers via BGP. The first 7 are listed below.

Peer ASNOperatorCountry
AS2764AAPT - AAPT LimitedAU
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS38195SUPERLOOP-AS-AP - SuperloopAU
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUS
AS6461ZAYO-6461 - Zayo BandwidthUS
AS6939HURRICANE - Hurricane Electric LLCUS
AS9255CONNECTPLUS-AS - Singapore TelecomSG

Blast radius

Count of dependent hostnames if AS19661 disappeared from the routing table.

51 hostnames depend on this network.Exact count across all 13 announced prefixes. Snapshot Sun, 14 Jun 2026 10:01:19 GMT.

MOAS / hijack watch

Prefixes routed by AS19661 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 AS19661 is unique to AS19661 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS19661.

Cypher and MCP

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

MATCH (a:ASN {name: "AS19661"})-[: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.