57.87.245 is a class C of IPs

Sample IPs from the class C 57.87.245

57.87.245.127	View precise location of 57.87.245.127 on the map!
57.87.245.13	View precise location of 57.87.245.13 on the map!
57.87.245.232	View precise location of 57.87.245.232 on the map!
57.87.245.114	View precise location of 57.87.245.114 on the map!
57.87.245.130	View precise location of 57.87.245.130 on the map!
57.87.245.50	View precise location of 57.87.245.50 on the map!
57.87.245.204	View precise location of 57.87.245.204 on the map!
57.87.245.200	View precise location of 57.87.245.200 on the map!
57.87.245.137	View precise location of 57.87.245.137 on the map!
57.87.245.152	View precise location of 57.87.245.152 on the map!
57.87.245.110	View precise location of 57.87.245.110 on the map!

10 Random IPs

51.159.43.79	Find precise map location of 51.159.43.79
248.78.252.250	Find precise map location of 248.78.252.250
166.11.240.168	Find precise map location of 166.11.240.168
82.145.62.93	Find precise map location of 82.145.62.93
218.117.99.47	Find precise map location of 218.117.99.47
86.119.75.195	Find precise map location of 86.119.75.195
94.135.230.90	Find precise map location of 94.135.230.90
199.92.251.243	Find precise map location of 199.92.251.243
193.224.131.191	Find precise map location of 193.224.131.191
116.88.65.82	Find precise map location of 116.88.65.82
8.53.55.55	Find precise map location of 8.53.55.55

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