Network topology

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

AS55209

Currently announcedSnapshot awaiting refresh

HACKENSACKUMC - Hackensack University Medical Center · HACKENSACKUMC

Last observed10/5/2026, 05:01:08Open ASN profile →

AS55209 relationship topology

Showing 3 / 3

AS55209Hackensack University M…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS54004LIGHTPATH - Cablevision Lightpath LLC

Relationship: Upstream
Observed weight: 232
ASN registration country: United States
Latest RIS data: 10/26/2026, 08:00:00

Open AS54004 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS54004Observed weight 232	LIGHTPATH - Cablevision Lightpath LLC	Upstream	United States	8/25/2019, 00:00:00	10/26/2026, 08:00:00	825
AS3356Observed weight 214	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/25/2019, 00:00:00	10/26/2026, 08:00:00	266
AS1436Observed weight 9	HACKENSACK-MERIDIAN-HEALTH - Meridian Health System	Upstream	United States	8/25/2019, 00:00:00	10/26/2026, 08:00:00	9

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