timestamp	ip	host	browser	uri
20190603-20:20:18	54.36.148.21	ip-54-36-148-21.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20191010-21:50:51	54.36.148.21	ip-54-36-148-21.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/6.1; +http://ahrefs.com/robot/)	/robots.txt
20210516-05:26:10	54.36.148.21	ip-54-36-148-21.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt
20210609-02:43:57	54.36.148.21	ip-54-36-148-21.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/robots.txt
20210616-14:54:46	54.36.148.21	ip-54-36-148-21.a.ahrefs.com	Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)	/2010/12/dark.html