123.100.20 is a class C of IPs

Sample IPs from the class C 123.100.20

123.100.20.12	View precise location of 123.100.20.12 on the map!
123.100.20.162	View precise location of 123.100.20.162 on the map!
123.100.20.225	View precise location of 123.100.20.225 on the map!
123.100.20.107	View precise location of 123.100.20.107 on the map!
123.100.20.149	View precise location of 123.100.20.149 on the map!
123.100.20.27	View precise location of 123.100.20.27 on the map!
123.100.20.130	View precise location of 123.100.20.130 on the map!
123.100.20.115	View precise location of 123.100.20.115 on the map!
123.100.20.244	View precise location of 123.100.20.244 on the map!
123.100.20.225	View precise location of 123.100.20.225 on the map!
123.100.20.92	View precise location of 123.100.20.92 on the map!

10 Random IPs

94.149.178.114	Find precise map location of 94.149.178.114
231.231.248.109	Find precise map location of 231.231.248.109
211.104.39.155	Find precise map location of 211.104.39.155
22.100.238.135	Find precise map location of 22.100.238.135
66.93.248.168	Find precise map location of 66.93.248.168
45.35.113.206	Find precise map location of 45.35.113.206
46.24.85.131	Find precise map location of 46.24.85.131
92.234.82.46	Find precise map location of 92.234.82.46
74.90.6.191	Find precise map location of 74.90.6.191
50.146.228.99	Find precise map location of 50.146.228.99
96.113.206.116	Find precise map location of 96.113.206.116

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