timestamp	ip	host	browser	uri
20190518-08:09:30	54.36.149.49	ip-54-36-149-49.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210616-06:31:07	54.36.149.49	ip-54-36-149-49.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt
20210723-14:27:51	54.36.149.49	ip-54-36-149-49.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt