Couple of first time visitors for me..
130.185.0.0/16 = 130.185.0.0 - 130.185.255.255
# Also note spelling difference
pagesinvenotry
pagesinventory
130.185.109.xxx - - [06/Jun/2013:21:21:16 -0700] "GET /robots.txt HTTP/1.1" 200 463 "-" "PagesInventory (robot http://www.pagesinvenotry.xxx)"
130.185.109.xxx - - [06/Jun/2013:21:21:16 -0700] "GET / HTTP/1.1" 200 3064 "-" "PagesInventory (robot +http://www.pagesinventory.xxx)"
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198.147.20.0/22 = 198.147.20.0 - 198.147.23.255
Switching UAs
198.147.20.xx - - [06/Jun/2013:21:32:37 -0700] "GET / HTTP/1.0" 403 1839 "http://www.example.com/" "Mozilla/4.0 (compatible; MSIE 6.0; MSIE 5.5; Windows NT 5.0) Opera 7.02 Bork-edition [en]"
198.147.20.xx - - [06/Jun/2013:21:35:27 -0700] "GET / HTTP/1.0" 200 3120 "http://www.example.com/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)"
198.147.20.xx - - [06/Jun/2013:21:36:13 -0700] "GET / HTTP/1.0" 200 3120 "http://www.example.com/" "Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20100101 Firefox/13.0.1"