timestamp	ip	host	browser	uri
20190510-04:19:58	54.36.148.200	ip-54-36-148-200.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190612-23:37:05	54.36.148.200	ip-54-36-148-200.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210507-15:50:24	54.36.148.200	ip-54-36-148-200.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt
20210616-15:33:48	54.36.148.200	ip-54-36-148-200.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/2011/09/