Network topology

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

AS15307

Currently announcedSnapshot awaiting refresh

CHILDRENS-SEATTLE - Childrens Hospital and Regional Medical Center · CHILDRENS-SEATTLE

Last observed9/30/2026, 14:25:23Open ASN profile →

AS15307 relationship topology

Showing 3 / 3

AS15307Childrens Hospital and …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS33650COMCAST-33650 - Comcast Cable Communications, LLC

Relationship: Upstream
Observed weight: 254
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS33650 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
AS33650Observed weight 254	COMCAST-33650 - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	1,332
AS6461Observed weight 240	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	2,492
AS209Observed weight 19	CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	185

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