Network topology

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

AS36779

Currently announcedSnapshot awaiting refresh

Learfield Communications, LLC · LEARFIELD

Last observed10/3/2026, 00:08:42Open ASN profile →

AS36779 relationship topology

Showing 4 / 4

AS36779Learfield Communication…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4581Socket Holdings Corporation

Relationship: Upstream
Observed weight: 260
ASN registration country: United States
Latest RIS data: 10/2/2026, 00:00:00

Open AS4581 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS4581Observed weight 260	Socket Holdings Corporation	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	362
AS7018Observed weight 260	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	331
AS3356Observed weight 5	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	6
AS36799Observed weight 5	Cubic Corporation	Downstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	6

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