timestamp	ip	host	browser	uri
20190508-03:29:16	54.36.148.49	ip-54-36-148-49.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210801-01:04:31	54.36.148.49	ip-54-36-148-49.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt
20211013-08:40:03	54.36.148.49	ip-54-36-148-49.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt