138.51.34 is a class C of IPs

Sample IPs from the class C 138.51.34

138.51.34.132	View precise location of 138.51.34.132 on the map!
138.51.34.137	View precise location of 138.51.34.137 on the map!
138.51.34.104	View precise location of 138.51.34.104 on the map!
138.51.34.170	View precise location of 138.51.34.170 on the map!
138.51.34.46	View precise location of 138.51.34.46 on the map!
138.51.34.193	View precise location of 138.51.34.193 on the map!
138.51.34.78	View precise location of 138.51.34.78 on the map!
138.51.34.233	View precise location of 138.51.34.233 on the map!
138.51.34.225	View precise location of 138.51.34.225 on the map!
138.51.34.63	View precise location of 138.51.34.63 on the map!
138.51.34.47	View precise location of 138.51.34.47 on the map!

10 Random IPs

165.120.33.23	Find precise map location of 165.120.33.23
227.157.233.6	Find precise map location of 227.157.233.6
18.187.102.250	Find precise map location of 18.187.102.250
186.243.106.215	Find precise map location of 186.243.106.215
253.71.211.172	Find precise map location of 253.71.211.172
162.54.31.46	Find precise map location of 162.54.31.46
22.169.214.54	Find precise map location of 22.169.214.54
233.29.205.57	Find precise map location of 233.29.205.57
179.49.182.78	Find precise map location of 179.49.182.78
116.245.254.194	Find precise map location of 116.245.254.194
79.227.142.76	Find precise map location of 79.227.142.76

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