'jennybot',
'mercator',
'netcraft',
+'msnbot',
'petersnews',
'unlost_web_crawler',
'voila',
'momspider',
'monster',
'motor',
-'msnbot',
'muncher',
'mwdsearch',
'ndspider',
'ia_archiver','Alexa (IA Archiver)',
'jennybot','JennyBot',
'mercator','Mercator',
+'msnbot','MSNBot',
'netcraft','Netcraft',
'petersnews','Petersnews',
'unlost_web_crawler','Unlost Web Crawler',
'momspider','MOMspider',
'monster','Monster',
'motor','Motor',
-'msnbot','MSNBot',
'muncher','Muncher',
'mwdsearch','Mwd.Search',
'ndspider','NDSpider',