Network topology

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

AS26

Currently announcedSnapshot awaiting refresh

CORNELL - Cornell University · CORNELL

Last observed9/29/2026, 05:49:02Open ASN profile →

AS26 relationship topology

Showing 5 / 5

AS26Cornell University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS13536TVC-AS1 - FirstLight Fiber, Inc.

Relationship: Upstream
Observed weight: 182
ASN registration country: United States
Latest RIS data: 9/28/2026, 00:00:00

Open AS13536 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS13536Observed weight 182	TVC-AS1 - FirstLight Fiber, Inc.	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	1,350	220
AS1299Observed weight 122	TWELVE99 Arelion Sweden AB	Upstream	Sweden	8/19/2019, 00:00:00	9/28/2026, 00:00:00	774	127
AS394019Observed weight 17	FiberSpark Inc.	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	96	7
AS3754Observed weight 8	NYSERNET3-AS - NYSERNet	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	48	7
AS3630Observed weight 2	NYSERNET-BLK - NYSERNet	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	18	3

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