timestamp	ip	host	browser	uri
20190502-05:32:43	54.36.148.101	ip-54-36-148-101.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190909-22:22:39	54.36.148.101	ip-54-36-148-101.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt