Network topology

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

AS25611

Currently announcedSnapshot awaiting refresh

NSLIJHS - North Shore Long Island Jewish Health System · NSLIJHS

Last observed10/1/2026, 18:37:21Open ASN profile →

AS25611 relationship topology

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AS25611North Shore Long Island…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887Zayo Bandwidth

Relationship: Upstream
Observed weight: 591
ASN registration country: United States
Latest RIS data: 10/12/2026, 00:00:00

Open AS46887 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS46887Observed weight 591	Zayo Bandwidth	Upstream	United States	8/21/2019, 00:00:00	10/12/2026, 00:00:00	2,080
AS54004Observed weight 525	LIGHTPATH - Cablevision Lightpath LLC	Upstream	United States	8/21/2019, 00:00:00	10/12/2026, 00:00:00	1,005
AS3356Observed weight 210	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/12/2026, 00:00:00	268

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