timestamp	ip	host	browser	uri
20190711-01:26:21	54.36.148.87	ip-54-36-148-87.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20190927-19:58:41	54.36.148.87	ip-54-36-148-87.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20200326-13:42:47	54.36.148.87	ip-54-36-148-87.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210911-12:46:56	54.36.148.87	ip-54-36-148-87.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt