57.40.135 is a class C of IPs

Sample IPs from the class C 57.40.135

57.40.135.56	View precise location of 57.40.135.56 on the map!
57.40.135.6	View precise location of 57.40.135.6 on the map!
57.40.135.34	View precise location of 57.40.135.34 on the map!
57.40.135.116	View precise location of 57.40.135.116 on the map!
57.40.135.253	View precise location of 57.40.135.253 on the map!
57.40.135.77	View precise location of 57.40.135.77 on the map!
57.40.135.245	View precise location of 57.40.135.245 on the map!
57.40.135.247	View precise location of 57.40.135.247 on the map!
57.40.135.5	View precise location of 57.40.135.5 on the map!
57.40.135.146	View precise location of 57.40.135.146 on the map!
57.40.135.241	View precise location of 57.40.135.241 on the map!

10 Random IPs

116.142.164.195	Find precise map location of 116.142.164.195
130.114.171.208	Find precise map location of 130.114.171.208
83.31.39.56	Find precise map location of 83.31.39.56
26.215.120.134	Find precise map location of 26.215.120.134
28.139.200.204	Find precise map location of 28.139.200.204
158.160.25.191	Find precise map location of 158.160.25.191
176.137.53.216	Find precise map location of 176.137.53.216
21.55.122.209	Find precise map location of 21.55.122.209
198.97.75.159	Find precise map location of 198.97.75.159
140.43.26.89	Find precise map location of 140.43.26.89
172.110.160.245	Find precise map location of 172.110.160.245

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