timestamp	ip	host	browser	uri
20200519-00:43:33	54.36.149.57	ip-54-36-149-57.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210902-11:08:21	54.36.149.57	ip-54-36-149-57.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt
20210902-14:40:50	54.36.149.57	ip-54-36-149-57.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt