BimmerDude
Thanks, that is a great list!
Could you please provide some Russian ones? I fail to find a decent one through Google.
OK!
In fact, in
Russia we have a lot of sites where you can find an information about the car. Here are the most popular ones:
https://avtocod.ru - detailed information about the vehicle. If you search by vehicle plate, you can see the vehicle plate in the upper right corner which is differs from entered - in this place in the most cases the current license plate of the vehicle is displayed (there are some errors sometimes, usually when you find an information about a car which was registered in the '90s). If you search by VIN or by Frame (for Japanese Domestic Market cars), the vehicle plate not fully displayed, but you can buy an report anyway, where you will have the most detailed information about the car and everything that is associated with it
https://avtoraport.ru/ - the same site; you can see the detailed information about the vehicle + the color of vehicle. Funny thing - if you search a car by numberplate, the information about it in the report (in the second line on the left) wasn't fully displayed

Besides you can buy a report with the most detailed information, but there is one feature - this site don't have an information about a cars without VIN (JDM or Oldtimer cars)
https://avtobot.net - this site have an information olny about a cars with VIN too + it have an information about last checkups of the vehicle. You also can buy full report.
https://adaperio.ru became the first site in Russia, where you could get such information. You can search an info there by numberplate or VIN, but there is only a bit of information about the car (make, model and a year of issue). The main disadvantage in that this site don't update the database since spring of 2015
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You can find out the VIN of the vehicle by search an information about a car by license plate on the one of dozens of sites about car's insurance. For example,
https://проверкато.рф - if you entered a numberplate on the second line, it give you an information about the last insurance in the third line of the report (of course, only if this vehicle have an actual insurance!)