57.129.71 is a class C of IPs

Sample IPs from the class C 57.129.71

57.129.71.113	View precise location of 57.129.71.113 on the map!
57.129.71.115	View precise location of 57.129.71.115 on the map!
57.129.71.24	View precise location of 57.129.71.24 on the map!
57.129.71.167	View precise location of 57.129.71.167 on the map!
57.129.71.7	View precise location of 57.129.71.7 on the map!
57.129.71.146	View precise location of 57.129.71.146 on the map!
57.129.71.246	View precise location of 57.129.71.246 on the map!
57.129.71.222	View precise location of 57.129.71.222 on the map!
57.129.71.197	View precise location of 57.129.71.197 on the map!
57.129.71.200	View precise location of 57.129.71.200 on the map!
57.129.71.249	View precise location of 57.129.71.249 on the map!

10 Random IPs

13.87.83.6	Find precise map location of 13.87.83.6
35.138.40.190	Find precise map location of 35.138.40.190
206.189.207.195	Find precise map location of 206.189.207.195
41.211.198.63	Find precise map location of 41.211.198.63
180.101.228.9	Find precise map location of 180.101.228.9
38.18.51.110	Find precise map location of 38.18.51.110
209.129.242.90	Find precise map location of 209.129.242.90
159.59.115.55	Find precise map location of 159.59.115.55
54.109.155.188	Find precise map location of 54.109.155.188
32.22.171.165	Find precise map location of 32.22.171.165
204.114.249.234	Find precise map location of 204.114.249.234

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