57.42.138 is a class C of IPs

Sample IPs from the class C 57.42.138

57.42.138.81	View precise location of 57.42.138.81 on the map!
57.42.138.58	View precise location of 57.42.138.58 on the map!
57.42.138.72	View precise location of 57.42.138.72 on the map!
57.42.138.139	View precise location of 57.42.138.139 on the map!
57.42.138.73	View precise location of 57.42.138.73 on the map!
57.42.138.183	View precise location of 57.42.138.183 on the map!
57.42.138.138	View precise location of 57.42.138.138 on the map!
57.42.138.12	View precise location of 57.42.138.12 on the map!
57.42.138.151	View precise location of 57.42.138.151 on the map!
57.42.138.229	View precise location of 57.42.138.229 on the map!
57.42.138.226	View precise location of 57.42.138.226 on the map!

10 Random IPs

52.52.213.120	Find precise map location of 52.52.213.120
252.46.176.89	Find precise map location of 252.46.176.89
8.120.16.69	Find precise map location of 8.120.16.69
58.248.245.91	Find precise map location of 58.248.245.91
174.219.156.226	Find precise map location of 174.219.156.226
244.170.140.140	Find precise map location of 244.170.140.140
133.194.161.111	Find precise map location of 133.194.161.111
20.36.212.148	Find precise map location of 20.36.212.148
231.15.233.141	Find precise map location of 231.15.233.141
83.22.157.133	Find precise map location of 83.22.157.133
42.49.140.17	Find precise map location of 42.49.140.17

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