Network topology

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

AS4991

Currently announcedSnapshot awaiting refresh

Cogent Communications, LLC · COGENT-4991-4994

Last observed9/29/2026, 12:34:21Open ASN profile →

AS4991 relationship topology

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AS4991Cogent Communications, …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS54054DETEQUE - Deteque

Relationship: Upstream
Observed weight: 253
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS54054 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS54054Observed weight 253	DETEQUE - Deteque	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	331	0

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