IP addresses are not public, but they are provided to internet service providers in very large blocks. There is no way for them to connect a person with the IP address unless your service provider gives it to them. That's why copyright owners have to go to the service provider to find out who downloaded copyright movies. They can find out the IP belongs to Cox cable (my provider) in Henderson, NV for example but after that they are out of luck. Service providers have agreed to not release them without a subpoena. It's like having an unlisted phone number.
Google "IP lookup" and you'll find your own ID and how far it can be traced from lots of free services out there.
Pro - A legal service plan company will let you pay a monthly fee, that will cover some basic, usually preventive, legal situations that you might encounter. Monthly fees could be as low as $16, depending on the company. Examples of what is covered could be wills, contract review, personal and business related legal questions, traffic tickets, etc.
Con - The 'prepaid' portion of the legal plan does not cover every legal situation that someone can encounter. Things like bankruptcy, divorce, and court fee costs will be in addition to your monthly fee.
Different companies provide access to attorneys and service their plans differently, so research your legal needs carefully.
Pre-Paid Legal Services, Inc. http://www.prepaidlegal.com would be my recommendation if you live in the United States or Canada for a good company to look at. They have been around for over 35 years and the stock is traded on the NYSE. (Which means they are a public company and their business practices are regulated by the SEC).