Network topology

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

AS20306

Currently announcedSnapshot awaiting refresh

ADELPHI - Adelphi University · ADELPHI

Last observed10/21/2026, 07:44:44Open ASN profile →

AS20306 relationship topology

Showing 2 / 2

AS20306Adelphi University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 328
ASN registration country: United States
Latest RIS data: 10/21/2026, 00:00:00

Open AS46887 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS46887Observed weight 328	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/21/2019, 00:00:00	10/21/2026, 00:00:00	453	160
AS54004Observed weight 303	LIGHTPATH - Cablevision Lightpath LLC	Upstream	United States	8/21/2019, 00:00:00	10/21/2026, 00:00:00	226	158

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