Network topology

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

AS397779

Currently announcedSnapshot awaiting refresh

Concord Hospital · CONCORD-HOSPITAL-ASN-01

Last observed10/18/2026, 03:05:36Open ASN profile →

AS397779 relationship topology

Showing 1 / 1

AS397779Concord Hospital

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7015COMCAST-7015 - Comcast Cable Communications, LLC

Relationship: Upstream
Observed weight: 255
ASN registration country: United States
Latest RIS data: 11/8/2026, 00:00:00

Open AS7015 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS7015Observed weight 255	COMCAST-7015 - Comcast Cable Communications, LLC	Upstream	United States	8/28/2019, 00:00:00	11/8/2026, 00:00:00	1,395	0

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