Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS21835

Currently announcedSnapshot awaiting refresh

SCARSDALE-SECURITY-SYSTEMS - Scarsdale Security Systems, Inc. · SCARSDALE-SECURITY-SYSTEMS

Last observed10/11/2026, 16:52:55Open ASN profile →

AS21835 relationship topology

Showing 3 / 3

AS21835Scarsdale Security Syst…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS54004LIGHTPATH - Cablevision Lightpath LLC

Relationship: Upstream
Observed weight: 462
ASN registration country: United States
Latest RIS data: 11/9/2026, 00:00:00

Open AS54004 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS54004Observed weight 462	LIGHTPATH - Cablevision Lightpath LLC	Upstream	United States	8/28/2019, 00:00:00	11/9/2026, 00:00:00	330	331
AS20473Observed weight 263	AS-VULTR - The Constant Company, LLC	Upstream	United States	8/28/2019, 00:00:00	11/9/2026, 00:00:00	658	0
AS21737Observed weight 252	SPRINGNET2-NET - SpringNet	Upstream	United States	8/28/2019, 00:00:00	11/9/2026, 00:00:00	329	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context