I don't know where this came from, but I noticed a few requests for access popping on on my watchlist and got curious.
UTRS is apparently the "Unblock Ticket Request System".
QUOTE
If you are presently blocked from editing on Wikipedia (which you may verify by clicking here), you may fill out the form below to have an administrator review your block. Please complete all fields labelled in red text, as these are required in order for us to complete a full review of your block.
If you are having trouble editing a particular page or making a particular edit, but are able to edit the page linked in the previous paragraph, you may not be blocked, but instead could be having difficulty with page protection or the edit filter. For more information, and instructions on how to receive assistance, please see those links.
For assistance with a block, please complete the form below:
*What is your email address? We will need this to respond to your appeal.
*Do you have an account on Wikipedia? Yes No
*According to your block message, which administrator placed this block?
*Why do you believe you should be unblocked?
*If you are unblocked, what articles do you intend to edit?
*Is there anything else you would like us to consider when reviewing your block?
All of that is followed by a CAPTCHA and a note that "By submitting this unblock request, you are consenting to allow us to collect information about your computer that will in most cases allow us to distinguish you from any vandals editing from the same location. We do not store this information any longer than necessary, and do not share it with any third party. For more information, please see our Privacy Policy.".