5.66.188 is a class C of IPs

Sample IPs from the class C 5.66.188

5.66.188.192	View precise location of 5.66.188.192 on the map!
5.66.188.245	View precise location of 5.66.188.245 on the map!
5.66.188.197	View precise location of 5.66.188.197 on the map!
5.66.188.72	View precise location of 5.66.188.72 on the map!
5.66.188.24	View precise location of 5.66.188.24 on the map!
5.66.188.120	View precise location of 5.66.188.120 on the map!
5.66.188.10	View precise location of 5.66.188.10 on the map!
5.66.188.155	View precise location of 5.66.188.155 on the map!
5.66.188.153	View precise location of 5.66.188.153 on the map!
5.66.188.211	View precise location of 5.66.188.211 on the map!
5.66.188.68	View precise location of 5.66.188.68 on the map!

10 Random IPs

157.144.168.183	Find precise map location of 157.144.168.183
30.200.124.116	Find precise map location of 30.200.124.116
9.34.42.131	Find precise map location of 9.34.42.131
100.120.189.212	Find precise map location of 100.120.189.212
70.211.167.230	Find precise map location of 70.211.167.230
33.237.228.41	Find precise map location of 33.237.228.41
159.54.42.127	Find precise map location of 159.54.42.127
9.61.47.21	Find precise map location of 9.61.47.21
100.142.192.90	Find precise map location of 100.142.192.90
71.123.17.39	Find precise map location of 71.123.17.39
100.143.4.92	Find precise map location of 100.143.4.92

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