Network topology

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

AS1420

Currently announcedSnapshot awaiting refresh

STL-C9D - STL OFFICE SOLUTIONS, INC. · STL-C9D

Last observed9/29/2026, 07:48:33Open ASN profile →

AS1420 relationship topology

Showing 2 / 2

AS1420STL OFFICE SOLUTIONS, I…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS62523CIRBN, LLC

Relationship: Upstream
Observed weight: 179
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS62523 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS62523Observed weight 179	CIRBN, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	225	0
AS40948Observed weight 114	STRATUS-NETWORKS - Stratus Networks	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	160	0

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