139.106.221 is a class C of IPs

Sample IPs from the class C 139.106.221

139.106.221.56	View precise location of 139.106.221.56 on the map!
139.106.221.231	View precise location of 139.106.221.231 on the map!
139.106.221.192	View precise location of 139.106.221.192 on the map!
139.106.221.3	View precise location of 139.106.221.3 on the map!
139.106.221.239	View precise location of 139.106.221.239 on the map!
139.106.221.73	View precise location of 139.106.221.73 on the map!
139.106.221.80	View precise location of 139.106.221.80 on the map!
139.106.221.6	View precise location of 139.106.221.6 on the map!
139.106.221.96	View precise location of 139.106.221.96 on the map!
139.106.221.78	View precise location of 139.106.221.78 on the map!
139.106.221.81	View precise location of 139.106.221.81 on the map!

10 Random IPs

223.65.236.73	Find precise map location of 223.65.236.73
73.66.2.132	Find precise map location of 73.66.2.132
1.73.213.212	Find precise map location of 1.73.213.212
205.119.26.221	Find precise map location of 205.119.26.221
8.102.164.216	Find precise map location of 8.102.164.216
167.224.123.251	Find precise map location of 167.224.123.251
137.122.55.165	Find precise map location of 137.122.55.165
172.244.146.54	Find precise map location of 172.244.146.54
179.171.183.210	Find precise map location of 179.171.183.210
129.232.131.196	Find precise map location of 129.232.131.196
47.101.26.172	Find precise map location of 47.101.26.172

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