timestamp	ip	host	browser	uri
20170329-04:42:39	199.16.157.180	199.16.157.180	Twitterbot/1.0	/robots.txt
20170423-10:33:42	199.16.157.180	199.16.157.180	Twitterbot/1.0	/robots.txt
20210630-06:16:01	199.16.157.180	r-199-16-157-180.twttr.com	Twitterbot/1.0	/robots.txt