Network topology

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

AS4505

Currently announcedSnapshot awaiting refresh

WHDH-BOS - WHDH-TV · WHDH-BOS

Last observed9/29/2026, 11:43:46Open ASN profile →

AS4505 relationship topology

Showing 2 / 2

AS4505WHDH-TV

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6079RCN-AS - RCN

Relationship: Upstream
Observed weight: 220
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS6079 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
AS6079Observed weight 220	RCN-AS - RCN	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	285	0
AS16504Observed weight 39	GRANITE - Granite Telecommunications LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	45	0

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