138.72.206 is a class C of IPs

Sample IPs from the class C 138.72.206

138.72.206.215	View precise location of 138.72.206.215 on the map!
138.72.206.134	View precise location of 138.72.206.134 on the map!
138.72.206.235	View precise location of 138.72.206.235 on the map!
138.72.206.83	View precise location of 138.72.206.83 on the map!
138.72.206.210	View precise location of 138.72.206.210 on the map!
138.72.206.3	View precise location of 138.72.206.3 on the map!
138.72.206.137	View precise location of 138.72.206.137 on the map!
138.72.206.214	View precise location of 138.72.206.214 on the map!
138.72.206.212	View precise location of 138.72.206.212 on the map!
138.72.206.174	View precise location of 138.72.206.174 on the map!
138.72.206.190	View precise location of 138.72.206.190 on the map!

10 Random IPs

242.76.237.139	Find precise map location of 242.76.237.139
140.9.177.149	Find precise map location of 140.9.177.149
117.116.64.82	Find precise map location of 117.116.64.82
115.228.2.8	Find precise map location of 115.228.2.8
131.9.230.248	Find precise map location of 131.9.230.248
175.214.89.81	Find precise map location of 175.214.89.81
215.104.215.237	Find precise map location of 215.104.215.237
142.84.155.138	Find precise map location of 142.84.155.138
203.47.160.81	Find precise map location of 203.47.160.81
63.210.118.21	Find precise map location of 63.210.118.21
154.72.2.233	Find precise map location of 154.72.2.233

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