183.6.57 is a class C of IPs

Sample IPs from the class C 183.6.57

183.6.57.223	View precise location of 183.6.57.223 on the map!
183.6.57.246	View precise location of 183.6.57.246 on the map!
183.6.57.69	View precise location of 183.6.57.69 on the map!
183.6.57.188	View precise location of 183.6.57.188 on the map!
183.6.57.216	View precise location of 183.6.57.216 on the map!
183.6.57.74	View precise location of 183.6.57.74 on the map!
183.6.57.4	View precise location of 183.6.57.4 on the map!
183.6.57.129	View precise location of 183.6.57.129 on the map!
183.6.57.40	View precise location of 183.6.57.40 on the map!
183.6.57.51	View precise location of 183.6.57.51 on the map!
183.6.57.51	View precise location of 183.6.57.51 on the map!

10 Random IPs

59.212.140.160	Find precise map location of 59.212.140.160
90.16.9.18	Find precise map location of 90.16.9.18
77.89.232.242	Find precise map location of 77.89.232.242
120.27.184.52	Find precise map location of 120.27.184.52
181.156.28.82	Find precise map location of 181.156.28.82
196.97.65.226	Find precise map location of 196.97.65.226
23.235.245.186	Find precise map location of 23.235.245.186
252.8.127.70	Find precise map location of 252.8.127.70
187.206.136.89	Find precise map location of 187.206.136.89
248.78.100.2	Find precise map location of 248.78.100.2
249.223.173.17	Find precise map location of 249.223.173.17

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