Network topology

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

AS55128

Currently announcedSnapshot awaiting refresh

McFarlane Associates LLC · MCFASSOC

Last observed10/5/2026, 04:58:10Open ASN profile →

AS55128 relationship topology

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AS55128McFarlane Associates LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS13977CTELCO - Fidium

Relationship: Upstream
Observed weight: 415
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

Open AS13977 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
AS13977Observed weight 415	CTELCO - Fidium	Upstream	United States	8/25/2019, 00:00:00	10/31/2026, 00:00:00	664	663

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