timestamp	ip	host	browser	uri
20170411-18:30:31	162.243.72.231	162.243.72.231	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36/Nutch-1.13	/robots.txt