231.20.66 is a class C of IPs

Sample IPs from the class C 231.20.66

231.20.66.83	View precise location of 231.20.66.83 on the map!
231.20.66.39	View precise location of 231.20.66.39 on the map!
231.20.66.138	View precise location of 231.20.66.138 on the map!
231.20.66.241	View precise location of 231.20.66.241 on the map!
231.20.66.28	View precise location of 231.20.66.28 on the map!
231.20.66.57	View precise location of 231.20.66.57 on the map!
231.20.66.186	View precise location of 231.20.66.186 on the map!
231.20.66.201	View precise location of 231.20.66.201 on the map!
231.20.66.237	View precise location of 231.20.66.237 on the map!
231.20.66.236	View precise location of 231.20.66.236 on the map!
231.20.66.16	View precise location of 231.20.66.16 on the map!

10 Random IPs

14.199.185.84	Find precise map location of 14.199.185.84
29.174.191.193	Find precise map location of 29.174.191.193
75.101.142.154	Find precise map location of 75.101.142.154
81.85.81.134	Find precise map location of 81.85.81.134
113.53.9.217	Find precise map location of 113.53.9.217
114.138.132.179	Find precise map location of 114.138.132.179
158.253.172.28	Find precise map location of 158.253.172.28
65.225.183.166	Find precise map location of 65.225.183.166
155.172.53.232	Find precise map location of 155.172.53.232
95.247.172.52	Find precise map location of 95.247.172.52
255.225.64.88	Find precise map location of 255.225.64.88

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