57.121.235 is a class C of IPs

Sample IPs from the class C 57.121.235

57.121.235.174	View precise location of 57.121.235.174 on the map!
57.121.235.19	View precise location of 57.121.235.19 on the map!
57.121.235.26	View precise location of 57.121.235.26 on the map!
57.121.235.160	View precise location of 57.121.235.160 on the map!
57.121.235.103	View precise location of 57.121.235.103 on the map!
57.121.235.128	View precise location of 57.121.235.128 on the map!
57.121.235.173	View precise location of 57.121.235.173 on the map!
57.121.235.77	View precise location of 57.121.235.77 on the map!
57.121.235.241	View precise location of 57.121.235.241 on the map!
57.121.235.176	View precise location of 57.121.235.176 on the map!
57.121.235.227	View precise location of 57.121.235.227 on the map!

10 Random IPs

209.20.183.127	Find precise map location of 209.20.183.127
76.218.63.87	Find precise map location of 76.218.63.87
132.22.245.129	Find precise map location of 132.22.245.129
201.156.201.218	Find precise map location of 201.156.201.218
28.68.238.69	Find precise map location of 28.68.238.69
203.92.241.18	Find precise map location of 203.92.241.18
184.254.233.206	Find precise map location of 184.254.233.206
41.192.115.17	Find precise map location of 41.192.115.17
32.48.237.94	Find precise map location of 32.48.237.94
162.68.183.56	Find precise map location of 162.68.183.56
196.84.71.16	Find precise map location of 196.84.71.16

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