What is this?

Found with IECache tool, temp file - https://r20swj13mr.microsoft.com/ieblocklist/v1/urlblockindex.bin%200%201%2009/05/2014%2012:51:35%20AM%2001/01/1601%2002:00:00%20AM%2007/27/2015%2010:03:15%20PM%2007/27/2015%2010:03:15%20PM%20C:/Users/D.W/AppData/Local/Microsoft/Windows/INetCache/IE/0IYYFR6E/urlblockindex[1].bin
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BlobNotFound

The specified blob does not exist. RequestId:7a2db4c0-0001-0081-63ad-c89144000000 Time:2015-07-27T20:49:09.7300106Z

Is this blob originating from ABP?

polonus