Network topology

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

AS13547

Currently announcedSnapshot awaiting refresh

Porter Hospital · PORTER-HOSPITAL

Last observed11/1/2026, 07:04:16Open ASN profile →

AS13547 relationship topology

Showing 2 / 2

AS13547Porter Hospital

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 254
ASN registration country: United States
Latest RIS data: 10/31/2026, 16:00:00

Open AS3356 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
AS3356Observed weight 254	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	10/31/2026, 16:00:00	329	0
AS33422Observed weight 271	NETC - New England Telehealth Consortium	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	375	0

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