Addrex, Inc

Addrex was formed in 2009 to foster the secondary IPv4 number asset market. Addrex created the IPv4 asset market by brokering the first legal sale of IPv4 number blocks in the Microsoft – Nortel deal in 2011. Addrex is a group of industry experts who act as a neutral third party facilitating the IPv4 number asset sale process in a double-blind marketplace that protects the identity of the buyer and seller until the closing process. The Addrex Marketplace™ is an online platform that facilitates the sale of IPv4 assets between qualified sellers and over 300 vetted buyers, the Marketplace is available 24/7, 365 days a year. Backed with market-proven standard legal agreements, the use of an escrow agent, and our industry expertise, the Addrex Marketplace helps provide the safest and most efficient transactions in the market today. If your company is interested in buying or selling IPv4 number blocks in the Addrex Marketplace please visit