Datashack, and all server farms, are blockable ranges unless you have a specific benefit to allow UAs from those ranges.
keyplyr
7:44 pm on Aug 13, 2017 (gmt 0)
online.net 51.15.0.0 - 51.15.63.255 51.15.0.0/18
dstiles
11:02 am on Aug 16, 2017 (gmt 0)
I discovered yesterday that the 18/8 range I formerly had assigned to Massachusetts Institute of Technology in 2010 has been partially allocated to Amazon Technologies Inc in the intervening years as...