Network topology

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

AS16973

Currently announcedSnapshot awaiting refresh

AS16973 - T-Four Services S.A · 16973

Last observed9/30/2026, 18:34:20Open ASN profile →

AS16973 relationship topology

Showing 4 / 4

AS16973T-Four Services S.A

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS52263AS52263 - Telecable Economico S.A.

Relationship: Upstream
Observed weight: 352
ASN registration country: Costa Rica
Latest RIS data: 9/30/2026, 00:00:00

Open AS52263 profile →

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS52263Observed weight 352	AS52263 - Telecable Economico S.A.	Upstream	Costa Rica	8/19/2019, 00:00:00	9/30/2026, 00:00:00	276	335
AS13335Observed weight 278	CLOUDFLARENET - Cloudflare, Inc.	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	4,422	0
AS52468Observed weight 146	AS52468 - UFINET PANAMA S.A.	Upstream	Panama	8/19/2019, 00:00:00	9/30/2026, 00:00:00	351	0
AS23520Observed weight 16	LIBERTY-NETWORKS - Columbus Networks USA, Inc.	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	37	0

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