timestamp	ip	host	browser	uri
20190725-03:38:09	54.36.149.104	ip-54-36-149-104.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210625-16:19:52	54.36.149.104	ip-54-36-149-104.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt