timestamp	ip	host	browser	uri
20190603-07:12:31	54.36.148.83	ip-54-36-148-83.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190730-04:34:28	54.36.148.83	ip-54-36-148-83.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210628-18:36:59	54.36.148.83	ip-54-36-148-83.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt