timestamp	ip	host	browser	uri
20190411-17:20:42	54.36.148.71	ip-54-36-148-71.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20200315-16:18:48	54.36.148.71	ip-54-36-148-71.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt