Network topology

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

AS25879

Currently announcedSnapshot awaiting refresh

UP Health System - Marquette · UPHSM-ASN-01

Last observed10/1/2026, 19:23:34Open ASN profile →

AS25879 relationship topology

Showing 2 / 2

AS25879UP Health System - Marq…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46208PFNL-ASN - Peninsula Fiber Network, LLC

Relationship: Upstream
Observed weight: 253
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

Open AS46208 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS46208Observed weight 253	PFNL-ASN - Peninsula Fiber Network, LLC	Upstream	United States	8/21/2019, 00:00:00	10/31/2026, 00:00:00	326	0
AS7018Observed weight 1	ATT-INTERNET4 - AT&T Enterprises, LLC	Uncertain relationship	United States	8/21/2019, 00:00:00	10/31/2026, 00:00:00	1	0

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