57.163.245 is a class C of IPs

Sample IPs from the class C 57.163.245

57.163.245.194	View precise location of 57.163.245.194 on the map!
57.163.245.7	View precise location of 57.163.245.7 on the map!
57.163.245.167	View precise location of 57.163.245.167 on the map!
57.163.245.193	View precise location of 57.163.245.193 on the map!
57.163.245.110	View precise location of 57.163.245.110 on the map!
57.163.245.75	View precise location of 57.163.245.75 on the map!
57.163.245.133	View precise location of 57.163.245.133 on the map!
57.163.245.133	View precise location of 57.163.245.133 on the map!
57.163.245.70	View precise location of 57.163.245.70 on the map!
57.163.245.155	View precise location of 57.163.245.155 on the map!
57.163.245.251	View precise location of 57.163.245.251 on the map!

10 Random IPs

21.236.165.13	Find precise map location of 21.236.165.13
249.207.194.139	Find precise map location of 249.207.194.139
230.144.243.215	Find precise map location of 230.144.243.215
28.150.25.114	Find precise map location of 28.150.25.114
239.222.47.88	Find precise map location of 239.222.47.88
63.239.252.52	Find precise map location of 63.239.252.52
204.182.102.89	Find precise map location of 204.182.102.89
35.153.52.147	Find precise map location of 35.153.52.147
238.26.32.34	Find precise map location of 238.26.32.34
234.2.206.8	Find precise map location of 234.2.206.8
255.179.91.87	Find precise map location of 255.179.91.87

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