timestamp	ip	host	browser	uri
20190715-10:35:07	54.36.149.90	ip-54-36-149-90.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190814-07:53:43	54.36.149.90	ip-54-36-149-90.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190919-23:31:33	54.36.149.90	ip-54-36-149-90.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210714-04:26:07	54.36.149.90	ip-54-36-149-90.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt