139.163.6 is a class C of IPs

Sample IPs from the class C 139.163.6

139.163.6.63	View precise location of 139.163.6.63 on the map!
139.163.6.33	View precise location of 139.163.6.33 on the map!
139.163.6.5	View precise location of 139.163.6.5 on the map!
139.163.6.145	View precise location of 139.163.6.145 on the map!
139.163.6.130	View precise location of 139.163.6.130 on the map!
139.163.6.235	View precise location of 139.163.6.235 on the map!
139.163.6.219	View precise location of 139.163.6.219 on the map!
139.163.6.169	View precise location of 139.163.6.169 on the map!
139.163.6.220	View precise location of 139.163.6.220 on the map!
139.163.6.134	View precise location of 139.163.6.134 on the map!
139.163.6.58	View precise location of 139.163.6.58 on the map!

10 Random IPs

88.19.137.4	Find precise map location of 88.19.137.4
20.183.98.226	Find precise map location of 20.183.98.226
25.94.143.5	Find precise map location of 25.94.143.5
253.57.71.138	Find precise map location of 253.57.71.138
235.86.58.5	Find precise map location of 235.86.58.5
24.244.107.243	Find precise map location of 24.244.107.243
109.187.92.230	Find precise map location of 109.187.92.230
199.245.48.218	Find precise map location of 199.245.48.218
27.143.214.78	Find precise map location of 27.143.214.78
54.222.134.90	Find precise map location of 54.222.134.90
174.191.40.87	Find precise map location of 174.191.40.87

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