153.166.172 is a class C of IPs

Sample IPs from the class C 153.166.172

153.166.172.225	View precise location of 153.166.172.225 on the map!
153.166.172.216	View precise location of 153.166.172.216 on the map!
153.166.172.2	View precise location of 153.166.172.2 on the map!
153.166.172.70	View precise location of 153.166.172.70 on the map!
153.166.172.174	View precise location of 153.166.172.174 on the map!
153.166.172.83	View precise location of 153.166.172.83 on the map!
153.166.172.204	View precise location of 153.166.172.204 on the map!
153.166.172.20	View precise location of 153.166.172.20 on the map!
153.166.172.71	View precise location of 153.166.172.71 on the map!
153.166.172.10	View precise location of 153.166.172.10 on the map!
153.166.172.171	View precise location of 153.166.172.171 on the map!

10 Random IPs

54.140.109.111	Find precise map location of 54.140.109.111
21.240.50.180	Find precise map location of 21.240.50.180
10.205.195.51	Find precise map location of 10.205.195.51
30.46.191.91	Find precise map location of 30.46.191.91
105.193.44.172	Find precise map location of 105.193.44.172
94.197.84.52	Find precise map location of 94.197.84.52
49.97.69.225	Find precise map location of 49.97.69.225
138.242.206.1	Find precise map location of 138.242.206.1
66.39.222.235	Find precise map location of 66.39.222.235
155.234.61.92	Find precise map location of 155.234.61.92
93.135.84.63	Find precise map location of 93.135.84.63

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