Network topology

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

AS1803

Currently announcedSnapshot awaiting refresh

COGENT-1803 - Cogent Communications, LLC · COGENT-1803

Last observed9/29/2026, 08:13:42Open ASN profile →

AS1803 relationship topology

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AS1803Cogent Communications, …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4046Federal Aviation Administration

Relationship: Upstream
Observed weight: 254
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS4046 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS4046Observed weight 254	Federal Aviation Administration	Upstream	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