timestamp	ip	host	browser	uri
20171223-16:32:31	13.57.15.222	ec2-13-57-15-222.us-west-1.compute.amazonaws.com	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36	/robots.txt