timestamp	ip	host	browser	uri
20180113-05:12:14	54.90.83.229	ec2-54-90-83-229.compute-1.amazonaws.com	CCBot/2.0 (http://commoncrawl.org/faq/)	/robots.txt
20180113-05:12:14	54.90.83.229	ec2-54-90-83-229.compute-1.amazonaws.com	CCBot/2.0 (http://commoncrawl.org/faq/)	/robots.txt