231.251.10 is a class C of IPs

Sample IPs from the class C 231.251.10

231.251.10.118	View precise location of 231.251.10.118 on the map!
231.251.10.115	View precise location of 231.251.10.115 on the map!
231.251.10.2	View precise location of 231.251.10.2 on the map!
231.251.10.149	View precise location of 231.251.10.149 on the map!
231.251.10.220	View precise location of 231.251.10.220 on the map!
231.251.10.136	View precise location of 231.251.10.136 on the map!
231.251.10.193	View precise location of 231.251.10.193 on the map!
231.251.10.78	View precise location of 231.251.10.78 on the map!
231.251.10.112	View precise location of 231.251.10.112 on the map!
231.251.10.86	View precise location of 231.251.10.86 on the map!
231.251.10.59	View precise location of 231.251.10.59 on the map!

10 Random IPs

140.242.196.50	Find precise map location of 140.242.196.50
28.183.127.176	Find precise map location of 28.183.127.176
207.130.101.143	Find precise map location of 207.130.101.143
236.40.141.23	Find precise map location of 236.40.141.23
236.94.100.33	Find precise map location of 236.94.100.33
195.208.228.191	Find precise map location of 195.208.228.191
36.168.119.23	Find precise map location of 36.168.119.23
225.248.112.93	Find precise map location of 225.248.112.93
83.192.108.163	Find precise map location of 83.192.108.163
127.125.96.74	Find precise map location of 127.125.96.74
102.49.210.114	Find precise map location of 102.49.210.114

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