I'm curious on how regional RIR which allocates ip address, verifies
usage pattern info provided by their members in their application
the process. It's quite simple, really. They ask for it. If the iformation that you provided with your application does not answer their questions, they ask you for more information. I assume that all the RIRs will sign an NDA with you, certainly ARIN does this. ARIN may also ask for corporate confidential information in order to verify your application so they have strict internal security policies to keep it confidential. Some people send detailed network diagrams, purchase orders for routers/switches/circuits, sales history data with projected trends, customer lists, etc. If you need specific details, just ask your RIR. --Michael Dillon