IP Address and Connection Bandwidth Database

We need to purchase collection of information regarding Internet visitor IPv4 IP address and connection speed to redirect users based on the bandwidth. We need this information from website which could collect the information based visitors selection of download speed. The information must be accurate, immediate available, non-confidential information. The connection speed must be user's input manually and associated with IP address. We will perform necessary validation to make sure the data is accurate. Minimum 50,000 records (unique IP address) required. We accept database from more than one bidder. We could co PM to ask for more information. Information Required - IP Address - Connection Speed (Dial-up, Cable/DSL or Corporate/T1) - Source of Information