57.141.153 is a class C of IPs

Sample IPs from the class C 57.141.153

57.141.153.27	View precise location of 57.141.153.27 on the map!
57.141.153.235	View precise location of 57.141.153.235 on the map!
57.141.153.131	View precise location of 57.141.153.131 on the map!
57.141.153.205	View precise location of 57.141.153.205 on the map!
57.141.153.168	View precise location of 57.141.153.168 on the map!
57.141.153.238	View precise location of 57.141.153.238 on the map!
57.141.153.250	View precise location of 57.141.153.250 on the map!
57.141.153.21	View precise location of 57.141.153.21 on the map!
57.141.153.238	View precise location of 57.141.153.238 on the map!
57.141.153.17	View precise location of 57.141.153.17 on the map!
57.141.153.117	View precise location of 57.141.153.117 on the map!

10 Random IPs

168.53.88.23	Find precise map location of 168.53.88.23
71.46.79.111	Find precise map location of 71.46.79.111
182.89.35.130	Find precise map location of 182.89.35.130
135.157.229.245	Find precise map location of 135.157.229.245
107.248.103.109	Find precise map location of 107.248.103.109
51.46.59.110	Find precise map location of 51.46.59.110
204.220.45.44	Find precise map location of 204.220.45.44
41.1.237.235	Find precise map location of 41.1.237.235
53.162.47.202	Find precise map location of 53.162.47.202
173.166.221.202	Find precise map location of 173.166.221.202
9.152.46.231	Find precise map location of 9.152.46.231

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