timestamp	ip	host	browser	uri
20190611-00:02:40	54.36.148.76	ip-54-36-148-76.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190824-15:45:55	54.36.148.76	ip-54-36-148-76.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210614-00:03:40	54.36.148.76	ip-54-36-148-76.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt