Network topology

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

AS215931

Currently announcedSnapshot awaiting refresh

BARNACONSULTING BARNA CONSULTING S.A.S. · BARNACONSULTING

Last observed10/13/2026, 13:13:47Open ASN profile →

AS215931 relationship topology

Showing 4 / 4

AS215931BARNACONSULTING BARNA C…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1097CORE-TRANSIT - Core Transit LLC

Relationship: Upstream
Observed weight: 308
ASN registration country: United States
Latest RIS data: 10/13/2026, 00:00:00

Open AS1097 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1097Observed weight 308	CORE-TRANSIT - Core Transit LLC	Upstream	United States	8/28/2019, 00:00:00	10/13/2026, 00:00:00	434	351
AS21700Observed weight 66	NEPTUNE-NETWORKS - Neptune Networks, LLC	Upstream	United States	8/28/2019, 00:00:00	10/13/2026, 00:00:00	150	0
AS52025Observed weight 64	ParadoxNetworks Limited	Upstream	United Kingdom	8/28/2019, 00:00:00	10/13/2026, 00:00:00	135	0
AS53356Observed weight 4	FREE RANGE CLOUD - Free Range Cloud Hosting Inc.	Upstream	Canada	8/28/2019, 00:00:00	10/13/2026, 00:00:00	8	0

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