timestamp	ip	host	browser	uri
20181113-07:42:20	151.80.39.166	carbon036.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/5.2; +http://ahrefs.com/robot/)	/robots.txt
20181205-13:04:31	151.80.39.166	carbon036.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/5.2; +http://ahrefs.com/robot/)	/robots.txt