17.66.66 is a class C of IPs

Sample IPs from the class C 17.66.66

17.66.66.80	View precise location of 17.66.66.80 on the map!
17.66.66.172	View precise location of 17.66.66.172 on the map!
17.66.66.188	View precise location of 17.66.66.188 on the map!
17.66.66.244	View precise location of 17.66.66.244 on the map!
17.66.66.18	View precise location of 17.66.66.18 on the map!
17.66.66.117	View precise location of 17.66.66.117 on the map!
17.66.66.162	View precise location of 17.66.66.162 on the map!
17.66.66.73	View precise location of 17.66.66.73 on the map!
17.66.66.208	View precise location of 17.66.66.208 on the map!
17.66.66.9	View precise location of 17.66.66.9 on the map!
17.66.66.186	View precise location of 17.66.66.186 on the map!

10 Random IPs

229.156.64.237	Find precise map location of 229.156.64.237
231.7.61.212	Find precise map location of 231.7.61.212
175.232.42.232	Find precise map location of 175.232.42.232
187.54.75.165	Find precise map location of 187.54.75.165
109.55.173.18	Find precise map location of 109.55.173.18
157.176.3.243	Find precise map location of 157.176.3.243
13.195.110.86	Find precise map location of 13.195.110.86
145.149.198.3	Find precise map location of 145.149.198.3
251.192.239.190	Find precise map location of 251.192.239.190
161.6.24.228	Find precise map location of 161.6.24.228
152.103.222.88	Find precise map location of 152.103.222.88

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