Network topology

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

AS15119

Currently announcedSnapshot awaiting refresh

Southern Illinois University Carbondale · SOUTHERN-ILLINOIS-UNIVERSITY

Last observed9/30/2026, 13:57:35Open ASN profile →

AS15119 relationship topology

Showing 3 / 3

AS15119Southern Illinois Unive…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 181
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS174 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS174Observed weight 181	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	237
AS22335Observed weight 64	MREN - Metropolitan Research and Education Network	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	83
AS40702Observed weight 9	Metro Communications Company	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	13

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