REO Blue Book - Real Estate Network - Real Estate On Demand REO BLUE BOOK, Inc. (RBB) is a nationwide private foundation dedicated to serving the needs of Lenders, Asset Managers and Private Investors. REO Blue Book is the social network for real estate - members fill out custom profiles, post blogs and listings, and are an active part of our online communities. Reobluebook.com~Site InfoWhoisTrace RouteRBL Check