DeeCee - 1:46 am on Feb 27, 2012 (gmt 0)
The partial/incomplete page name seems to be because someone pasted it wrong for the Tweet (or a URL shortener service). You might still be able to find what was posted using Twitter search.
If you block with that pattern, I believe it might block quite a few normal users as well.
I see the 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0' prefix quite a bit in logs from various user IP ranges around the world. (All loading like normal user browsers.)