128.138.156 is a class C of IPs

Sample IPs from the class C 128.138.156

128.138.156.76	View precise location of 128.138.156.76 on the map!
128.138.156.203	View precise location of 128.138.156.203 on the map!
128.138.156.230	View precise location of 128.138.156.230 on the map!
128.138.156.122	View precise location of 128.138.156.122 on the map!
128.138.156.5	View precise location of 128.138.156.5 on the map!
128.138.156.243	View precise location of 128.138.156.243 on the map!
128.138.156.98	View precise location of 128.138.156.98 on the map!
128.138.156.64	View precise location of 128.138.156.64 on the map!
128.138.156.66	View precise location of 128.138.156.66 on the map!
128.138.156.215	View precise location of 128.138.156.215 on the map!
128.138.156.237	View precise location of 128.138.156.237 on the map!

10 Random IPs

86.206.155.31	Find precise map location of 86.206.155.31
10.16.250.33	Find precise map location of 10.16.250.33
52.189.223.255	Find precise map location of 52.189.223.255
83.120.197.252	Find precise map location of 83.120.197.252
255.41.143.93	Find precise map location of 255.41.143.93
191.139.238.231	Find precise map location of 191.139.238.231
78.53.106.163	Find precise map location of 78.53.106.163
41.199.80.34	Find precise map location of 41.199.80.34
82.45.43.50	Find precise map location of 82.45.43.50
207.188.204.226	Find precise map location of 207.188.204.226
153.48.146.244	Find precise map location of 153.48.146.244

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