Network topology

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

AS25840

Currently announcedSnapshot awaiting refresh

Cascade Access, LLC · CASCADE-ACCESS-LLC-CA-ESTOR1

Last observed10/1/2026, 19:03:12Open ASN profile →

AS25840 relationship topology

Showing 3 / 3

AS25840Cascade Access, LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 146
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3356Observed weight 146	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	2,034
AS174Observed weight 131	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	2,095
AS11071Observed weight 44	IW-ASN-11071 - InfoWest	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	484

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