Luckily, there are web sites that you can use that allow you see a database of personal details filed against license plate numbers. Not anybody is allowed to look up license plates, it depends on his purpose and what he is after. lookup license plateover the Internet is simple. Firstly, web sites like Google don't have a license plate lookup facility. A search like that is required in case you need to find someone who might have violated the law against you or caused an accident. In this case, there are sites where you can make as many searches as you want for the rest of your life in exchange for a small registration cost. It's not unusual to be in a place where you need to look up license plates. Secondly, there is no free web site with all of these details made available on the web for you to search through. Now, if you have real reasons, you can lookup license plate online by registering at one of the tens of websites offering this service. Because the data in these license plate lookup sites are updated daily from public records, they are always up to date and likely to give you with the correct contact information and personal details for the owner of a automobile. After you register, you login at the website using the account information aquired during the registration process and then provide the license plate number, and as a result you obtain the owner's name, address, phone number, automobile identification number and whether or not there are any liens on the automobile.