57.13.171 is a class C of IPs

Sample IPs from the class C 57.13.171

57.13.171.115	View precise location of 57.13.171.115 on the map!
57.13.171.63	View precise location of 57.13.171.63 on the map!
57.13.171.9	View precise location of 57.13.171.9 on the map!
57.13.171.19	View precise location of 57.13.171.19 on the map!
57.13.171.117	View precise location of 57.13.171.117 on the map!
57.13.171.11	View precise location of 57.13.171.11 on the map!
57.13.171.204	View precise location of 57.13.171.204 on the map!
57.13.171.192	View precise location of 57.13.171.192 on the map!
57.13.171.172	View precise location of 57.13.171.172 on the map!
57.13.171.170	View precise location of 57.13.171.170 on the map!
57.13.171.179	View precise location of 57.13.171.179 on the map!

10 Random IPs

53.153.96.244	Find precise map location of 53.153.96.244
89.165.50.219	Find precise map location of 89.165.50.219
151.158.241.236	Find precise map location of 151.158.241.236
222.142.125.137	Find precise map location of 222.142.125.137
122.224.249.128	Find precise map location of 122.224.249.128
140.184.71.225	Find precise map location of 140.184.71.225
160.237.122.56	Find precise map location of 160.237.122.56
184.82.185.159	Find precise map location of 184.82.185.159
175.196.167.226	Find precise map location of 175.196.167.226
40.235.243.148	Find precise map location of 40.235.243.148
35.60.41.239	Find precise map location of 35.60.41.239

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