137.173.212 is a class C of IPs

Sample IPs from the class C 137.173.212

137.173.212.100	View precise location of 137.173.212.100 on the map!
137.173.212.111	View precise location of 137.173.212.111 on the map!
137.173.212.41	View precise location of 137.173.212.41 on the map!
137.173.212.252	View precise location of 137.173.212.252 on the map!
137.173.212.251	View precise location of 137.173.212.251 on the map!
137.173.212.128	View precise location of 137.173.212.128 on the map!
137.173.212.167	View precise location of 137.173.212.167 on the map!
137.173.212.46	View precise location of 137.173.212.46 on the map!
137.173.212.47	View precise location of 137.173.212.47 on the map!
137.173.212.200	View precise location of 137.173.212.200 on the map!
137.173.212.171	View precise location of 137.173.212.171 on the map!

10 Random IPs

154.171.57.78	Find precise map location of 154.171.57.78
241.40.153.233	Find precise map location of 241.40.153.233
171.148.79.238	Find precise map location of 171.148.79.238
118.93.37.81	Find precise map location of 118.93.37.81
50.198.174.109	Find precise map location of 50.198.174.109
14.203.29.185	Find precise map location of 14.203.29.185
74.168.96.67	Find precise map location of 74.168.96.67
128.9.37.20	Find precise map location of 128.9.37.20
216.152.178.48	Find precise map location of 216.152.178.48
176.199.215.231	Find precise map location of 176.199.215.231
231.151.122.32	Find precise map location of 231.151.122.32

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