http://128.199.4.242:9000/1000KB
http://128.199.4.242:9000/100KB
http://128.199.4.242:9000/200KB
http://128.199.4.242:9000/500KB
http://128.199.4.242:9000/50KB
http://128.199.4.242:9000/abcd
http://128.199.4.242:9000/d732ce39338e41fe44e16fa00