Network topology

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

AS3685

Currently announcedSnapshot awaiting refresh

BUFFALO-ASN - State University of New York at Buffalo · BUFFALO-ASN

Last observed9/29/2026, 10:56:26Open ASN profile →

AS3685 relationship topology

Showing 7 / 7

AS3685State University of New…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 772
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS174 profile →

All adjacent autonomous systems

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7 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS174Observed weight 772	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	3,351	525
AS401675Observed weight 303	Empire AI	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	315	320
AS19933Observed weight 236	BUFFALOSTATE - Buffalo State College	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	316	0
AS3356Observed weight 90	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	157	113
AS3754Observed weight 11	NYSERNET3-AS - NYSERNet	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	88	8
AS17311Observed weight 11	Erie County Medical Center	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	13	0
AS3630Observed weight 2	NYSERNET-BLK - NYSERNet	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	24	3

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