AS26052 — ABN-AMRO-CLEARING-USA-LLC

AS26052 announces 1 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

The AS handle ABN-AMRO-CLEARING-USA-LLC is held by Fortis Clearing Chicago LLC.

What it's used for

• The address space carries internal corporate infrastructure for a financial clearing entity, evidenced by the netname ABN-AMRO-CLEARING-US-TRADING-NETWORK across all prefixes.
• The AS announces 4096 IPv4 addresses across 5 prefixes with only 3 observed neighbours, indicating a small, self-contained corporate network rather than a transit or access provider.

Notable

• All registrants in the RDAP data match the announcer, consistently listing Fortis Clearing Chicago LLC as the owner of the prefixes.
• The address inventory is finely subdivided into one /21 and four /23 blocks, all within the 64.29.96.0/20 range, suggesting site-by-site or functional segmentation of the corporate estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 64.29.96.0/20

Upstream networks

• AS13335 Cloudflare, Inc.
• AS174 Cogent Communications, LLC
• AS23352 DEFT.COM

Adjacent networks

• AS13335 Cloudflare, Inc.
• AS174 Cogent Communications, LLC
• AS23352 DEFT.COM

Routing security

• RPKI: 0 valid, 0 invalid and 4 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 25% of announcements registered; 2 route objects.
• Listed in as-sets: AS-CCF, AS-CCF-TEST, AS-KDDCUSTOMER2, AS-NWN-TRANSIT, AS-SUMMITHQ-CUSTOMERS, AS-SUMMITHQ-TESTING, AS-TELSTRA-INTL-CUSTOMERS, AS-XO-B, AS13335:AS-CUSTOMERS, AS16657:AS-CUST, AS174:AS-COGC-016.