timestamp	ip	host	browser	uri
20190527-22:33:05	54.36.148.107	ip-54-36-148-107.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20191018-01:14:44	54.36.148.107	ip-54-36-148-107.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt