Network topology

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

AS25829

Currently announcedSnapshot awaiting refresh

SMITHSONIAN - Smithsonian Institution · SMITHSONIAN

Last observed10/1/2026, 19:02:49Open ASN profile →

AS25829 relationship topology

Showing 5 / 5

AS25829Smithsonian Institution

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 387
ASN registration country: United States
Latest RIS data: 10/16/2026, 00:00:00

Open AS174 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
AS174Observed weight 387	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/16/2026, 00:00:00	1,265	305
AS27922Observed weight 255	AS27922 - Smithsonian Tropical Research Institute	Downstream	Panama	8/21/2019, 00:00:00	10/16/2026, 00:00:00	971	0
AS3356Observed weight 206	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/16/2026, 00:00:00	1,241	0
AS11164Observed weight 51	INTERNET2-I2PX - Internet2	Upstream	United States	8/21/2019, 00:00:00	10/16/2026, 00:00:00	393	0
AS11537Observed weight 17	INTERNET2-RESEARCH-EDU - Internet2	Upstream	United States	8/21/2019, 00:00:00	10/16/2026, 00:00:00	81	0

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