178.78.21 is a class C of IPs

Sample IPs from the class C 178.78.21

178.78.21.39	View precise location of 178.78.21.39 on the map!
178.78.21.117	View precise location of 178.78.21.117 on the map!
178.78.21.145	View precise location of 178.78.21.145 on the map!
178.78.21.51	View precise location of 178.78.21.51 on the map!
178.78.21.179	View precise location of 178.78.21.179 on the map!
178.78.21.163	View precise location of 178.78.21.163 on the map!
178.78.21.144	View precise location of 178.78.21.144 on the map!
178.78.21.223	View precise location of 178.78.21.223 on the map!
178.78.21.224	View precise location of 178.78.21.224 on the map!
178.78.21.206	View precise location of 178.78.21.206 on the map!
178.78.21.144	View precise location of 178.78.21.144 on the map!

10 Random IPs

20.156.50.118	Find precise map location of 20.156.50.118
212.206.237.238	Find precise map location of 212.206.237.238
197.21.116.46	Find precise map location of 197.21.116.46
152.252.27.37	Find precise map location of 152.252.27.37
67.228.32.61	Find precise map location of 67.228.32.61
109.253.210.163	Find precise map location of 109.253.210.163
74.187.146.2	Find precise map location of 74.187.146.2
36.64.147.228	Find precise map location of 36.64.147.228
240.176.15.1	Find precise map location of 240.176.15.1
131.80.51.82	Find precise map location of 131.80.51.82
67.46.207.11	Find precise map location of 67.46.207.11

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