Network topology

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

AS26052

Currently announcedSnapshot awaiting refresh

Fortis Clearing Chicago LLC · ABN-AMRO-CLEARING-USA-LLC

Last observed10/1/2026, 19:47:58Open ASN profile →

AS26052 relationship topology

Showing 3 / 3

AS26052Fortis Clearing Chicago…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS13335CLOUDFLARENET - Cloudflare, Inc.

Relationship: Upstream
Observed weight: 271
ASN registration country: United States
Latest RIS data: 11/9/2026, 00:00:00

Open AS13335 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS13335Observed weight 271	CLOUDFLARENET - Cloudflare, Inc.	Upstream	United States	8/21/2019, 00:00:00	11/9/2026, 00:00:00	731
AS174Observed weight 253	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	11/9/2026, 00:00:00	331
AS23352Observed weight 250	DEFT.COM	Upstream	United States	8/21/2019, 00:00:00	11/9/2026, 00:00:00	327

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