timestamp	ip	host	browser	uri
20170908-14:07:24	34.228.23.117	ec2-34-228-23-117.compute-1.amazonaws.com	rogerbot/1.1 (http://moz.com/help/guides/search-overview/crawl-diagnostics#more-help, rogerbot-crawler+pr4-crawler-15@moz.com)	/robots.txt