timestamp	ip	host	browser	uri
20190901-06:54:56	54.36.148.211	ip-54-36-148-211.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20191004-17:53:32	54.36.148.211	ip-54-36-148-211.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20191224-21:18:36	54.36.148.211	ip-54-36-148-211.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt