User-agent: anthill
Disallow: / 

User-agent: arks
Disallow: / 

User-agent: Ukonline
Disallow: / 

User-agent: winona
Disallow: /

User-agent: combine
Disallow: / 

User-agent: ia_archiver
Disallow: / 

User-agent: ia_archiver
Disallow: / 

User-agent: wget
Disallow: /

User-agent: whowhere
Disallow: /