AS33359 — COWEN-AS-3

AS33359 announces 7 IPv4 prefixes covering 2,816 addresses and 0 IPv6 prefixes.

About this network

COWEN-AS-3 is held by Cowen Execution Services LLC.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the consistent netname TDC-NET across all prefixes.
• The inventory consists of 2816 IPv4 addresses across 7 prefixes, with 13 observed neighbours, indicating a small-scale enterprise network rather than a transit or access provider.

Notable

• Registrants are consistent with the announcer, listing COWEN EXECUTION SERVICES LLC. for most prefixes and Cowen Group, Inc for the 208.89.28.0/23 block.
• The operator is a financial services firm that has undergone significant corporate changes, including rebranding from TD Cowen to Cowen Inc. following its acquisition by Toronto-Dominion Bank.
• The address inventory is finely subdivided into /23 and /24 blocks, typical of internal corporate site segmentation.

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

Announced prefixes

• 67.43.80.0/24
• 67.43.82.0/23
• 67.43.84.0/23
• 67.43.88.0/23
• 67.43.91.0/24
• 67.43.93.0/24
• 208.89.28.0/23

Upstream networks

• AS6461 Zayo Bandwidth
• AS174 Cogent Communications, LLC
• AS32787 Akamai Technologies, Inc.
• AS6939 Hurricane Electric LLC
• AS8220 COLT Technology Services Group Limited
• AS701 Verizon Business
• AS24482 SG.GS

Adjacent networks

• AS6461 Zayo Bandwidth
• AS174 Cogent Communications, LLC
• AS32787 Akamai Technologies, Inc.
• AS6939 Hurricane Electric LLC
• AS8220 COLT Technology Services Group Limited
• AS701 Verizon Business
• AS24482 SG.GS

Internet exchanges

• Equinix Internet Exchange New York — New York, United States