timestamp	ip	host	browser	uri
20190604-14:35:32	54.36.148.239	ip-54-36-148-239.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20201011-23:18:51	54.36.148.239	ip-54-36-148-239.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210415-20:54:19	54.36.148.239	ip-54-36-148-239.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt