173.57.166 is a class C of IPs

Sample IPs from the class C 173.57.166

173.57.166.96	View precise location of 173.57.166.96 on the map!
173.57.166.77	View precise location of 173.57.166.77 on the map!
173.57.166.48	View precise location of 173.57.166.48 on the map!
173.57.166.152	View precise location of 173.57.166.152 on the map!
173.57.166.131	View precise location of 173.57.166.131 on the map!
173.57.166.230	View precise location of 173.57.166.230 on the map!
173.57.166.145	View precise location of 173.57.166.145 on the map!
173.57.166.176	View precise location of 173.57.166.176 on the map!
173.57.166.86	View precise location of 173.57.166.86 on the map!
173.57.166.22	View precise location of 173.57.166.22 on the map!
173.57.166.199	View precise location of 173.57.166.199 on the map!

10 Random IPs

200.201.82.26	Find precise map location of 200.201.82.26
93.206.154.182	Find precise map location of 93.206.154.182
36.52.204.143	Find precise map location of 36.52.204.143
147.242.117.235	Find precise map location of 147.242.117.235
27.175.13.96	Find precise map location of 27.175.13.96
96.185.97.194	Find precise map location of 96.185.97.194
171.5.155.139	Find precise map location of 171.5.155.139
236.109.21.29	Find precise map location of 236.109.21.29
143.198.37.56	Find precise map location of 143.198.37.56
94.102.171.121	Find precise map location of 94.102.171.121
226.36.8.40	Find precise map location of 226.36.8.40

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