Network topology

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

AS22012

Currently announcedSnapshot awaiting refresh

NRT Inc. · REALOGY-MADISON

Last observed10/1/2026, 08:39:25Open ASN profile →

AS22012 relationship topology

Showing 2 / 2

AS22012NRT Inc.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS54004LIGHTPATH - Cablevision Lightpath LLC

Relationship: Upstream
Observed weight: 312
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS54004 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS54004Observed weight 312	LIGHTPATH - Cablevision Lightpath LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	1,336	0
AS6461Observed weight 250	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	331	0

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