57.76.230 is a class C of IPs

Sample IPs from the class C 57.76.230

57.76.230.143	View precise location of 57.76.230.143 on the map!
57.76.230.163	View precise location of 57.76.230.163 on the map!
57.76.230.60	View precise location of 57.76.230.60 on the map!
57.76.230.48	View precise location of 57.76.230.48 on the map!
57.76.230.164	View precise location of 57.76.230.164 on the map!
57.76.230.216	View precise location of 57.76.230.216 on the map!
57.76.230.133	View precise location of 57.76.230.133 on the map!
57.76.230.141	View precise location of 57.76.230.141 on the map!
57.76.230.241	View precise location of 57.76.230.241 on the map!
57.76.230.11	View precise location of 57.76.230.11 on the map!
57.76.230.228	View precise location of 57.76.230.228 on the map!

10 Random IPs

23.168.25.209	Find precise map location of 23.168.25.209
148.40.143.91	Find precise map location of 148.40.143.91
100.251.5.177	Find precise map location of 100.251.5.177
235.185.253.214	Find precise map location of 235.185.253.214
166.132.8.77	Find precise map location of 166.132.8.77
47.94.213.89	Find precise map location of 47.94.213.89
130.127.218.213	Find precise map location of 130.127.218.213
24.30.162.220	Find precise map location of 24.30.162.220
179.173.239.199	Find precise map location of 179.173.239.199
218.23.195.110	Find precise map location of 218.23.195.110
79.31.222.171	Find precise map location of 79.31.222.171

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