72.163.78 is a class C of IPs

Sample IPs from the class C 72.163.78

72.163.78.211	View precise location of 72.163.78.211 on the map!
72.163.78.190	View precise location of 72.163.78.190 on the map!
72.163.78.133	View precise location of 72.163.78.133 on the map!
72.163.78.54	View precise location of 72.163.78.54 on the map!
72.163.78.43	View precise location of 72.163.78.43 on the map!
72.163.78.160	View precise location of 72.163.78.160 on the map!
72.163.78.248	View precise location of 72.163.78.248 on the map!
72.163.78.247	View precise location of 72.163.78.247 on the map!
72.163.78.233	View precise location of 72.163.78.233 on the map!
72.163.78.208	View precise location of 72.163.78.208 on the map!
72.163.78.126	View precise location of 72.163.78.126 on the map!

10 Random IPs

155.131.187.46	Find precise map location of 155.131.187.46
222.3.30.192	Find precise map location of 222.3.30.192
90.168.86.172	Find precise map location of 90.168.86.172
208.90.62.133	Find precise map location of 208.90.62.133
37.115.190.250	Find precise map location of 37.115.190.250
130.185.41.249	Find precise map location of 130.185.41.249
43.203.179.18	Find precise map location of 43.203.179.18
4.94.185.31	Find precise map location of 4.94.185.31
245.88.34.56	Find precise map location of 245.88.34.56
66.63.214.90	Find precise map location of 66.63.214.90
177.88.125.117	Find precise map location of 177.88.125.117

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