Network topology

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

AS4046

Currently announcedSnapshot awaiting refresh

Federal Aviation Administration · FAA

Last observed9/29/2026, 11:19:38Open ASN profile →

AS4046 relationship topology

Showing 4 / 4

AS4046Federal Aviation Admini…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174Cogent Communications, LLC

Relationship: Upstream
Observed weight: 544
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS174 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS174Observed weight 544	Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	2,408	546
AS3923Observed weight 333	Federal Aviation Administration	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	467	0
AS3356Observed weight 330	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	2,157	785
AS1803Observed weight 254	COGENT-1803 - Cogent Communications, LLC	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	662	0

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