78.31.21 is a class C of IPs

Sample IPs from the class C 78.31.21

78.31.21.25	View precise location of 78.31.21.25 on the map!
78.31.21.128	View precise location of 78.31.21.128 on the map!
78.31.21.28	View precise location of 78.31.21.28 on the map!
78.31.21.99	View precise location of 78.31.21.99 on the map!
78.31.21.56	View precise location of 78.31.21.56 on the map!
78.31.21.156	View precise location of 78.31.21.156 on the map!
78.31.21.247	View precise location of 78.31.21.247 on the map!
78.31.21.142	View precise location of 78.31.21.142 on the map!
78.31.21.242	View precise location of 78.31.21.242 on the map!
78.31.21.21	View precise location of 78.31.21.21 on the map!
78.31.21.71	View precise location of 78.31.21.71 on the map!

10 Random IPs

196.138.158.106	Find precise map location of 196.138.158.106
109.156.129.148	Find precise map location of 109.156.129.148
170.96.119.220	Find precise map location of 170.96.119.220
163.209.69.194	Find precise map location of 163.209.69.194
64.87.15.27	Find precise map location of 64.87.15.27
147.252.191.230	Find precise map location of 147.252.191.230
198.1.141.250	Find precise map location of 198.1.141.250
8.137.10.167	Find precise map location of 8.137.10.167
81.98.45.154	Find precise map location of 81.98.45.154
148.52.144.246	Find precise map location of 148.52.144.246
60.12.218.88	Find precise map location of 60.12.218.88

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