83.78.31 is a class C of IPs

Sample IPs from the class C 83.78.31

83.78.31.228	View precise location of 83.78.31.228 on the map!
83.78.31.173	View precise location of 83.78.31.173 on the map!
83.78.31.18	View precise location of 83.78.31.18 on the map!
83.78.31.26	View precise location of 83.78.31.26 on the map!
83.78.31.7	View precise location of 83.78.31.7 on the map!
83.78.31.15	View precise location of 83.78.31.15 on the map!
83.78.31.80	View precise location of 83.78.31.80 on the map!
83.78.31.74	View precise location of 83.78.31.74 on the map!
83.78.31.91	View precise location of 83.78.31.91 on the map!
83.78.31.108	View precise location of 83.78.31.108 on the map!
83.78.31.195	View precise location of 83.78.31.195 on the map!

10 Random IPs

186.244.218.118	Find precise map location of 186.244.218.118
220.157.51.140	Find precise map location of 220.157.51.140
80.119.31.87	Find precise map location of 80.119.31.87
71.132.54.116	Find precise map location of 71.132.54.116
229.227.26.199	Find precise map location of 229.227.26.199
254.21.73.209	Find precise map location of 254.21.73.209
173.47.35.246	Find precise map location of 173.47.35.246
39.43.49.41	Find precise map location of 39.43.49.41
5.48.155.219	Find precise map location of 5.48.155.219
156.175.249.87	Find precise map location of 156.175.249.87
81.207.200.44	Find precise map location of 81.207.200.44

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