255.75.138 is a class C of IPs

Sample IPs from the class C 255.75.138

255.75.138.204	View precise location of 255.75.138.204 on the map!
255.75.138.193	View precise location of 255.75.138.193 on the map!
255.75.138.132	View precise location of 255.75.138.132 on the map!
255.75.138.6	View precise location of 255.75.138.6 on the map!
255.75.138.37	View precise location of 255.75.138.37 on the map!
255.75.138.31	View precise location of 255.75.138.31 on the map!
255.75.138.13	View precise location of 255.75.138.13 on the map!
255.75.138.53	View precise location of 255.75.138.53 on the map!
255.75.138.38	View precise location of 255.75.138.38 on the map!
255.75.138.191	View precise location of 255.75.138.191 on the map!
255.75.138.23	View precise location of 255.75.138.23 on the map!

10 Random IPs

245.243.114.90	Find precise map location of 245.243.114.90
253.43.217.135	Find precise map location of 253.43.217.135
148.33.75.161	Find precise map location of 148.33.75.161
38.213.118.198	Find precise map location of 38.213.118.198
19.18.91.238	Find precise map location of 19.18.91.238
230.195.72.238	Find precise map location of 230.195.72.238
243.22.184.44	Find precise map location of 243.22.184.44
127.138.139.50	Find precise map location of 127.138.139.50
189.210.154.137	Find precise map location of 189.210.154.137
128.170.70.43	Find precise map location of 128.170.70.43
187.21.31.37	Find precise map location of 187.21.31.37

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.