138.16.3 is a class C of IPs

Sample IPs from the class C 138.16.3

138.16.3.177	View precise location of 138.16.3.177 on the map!
138.16.3.255	View precise location of 138.16.3.255 on the map!
138.16.3.181	View precise location of 138.16.3.181 on the map!
138.16.3.200	View precise location of 138.16.3.200 on the map!
138.16.3.212	View precise location of 138.16.3.212 on the map!
138.16.3.105	View precise location of 138.16.3.105 on the map!
138.16.3.66	View precise location of 138.16.3.66 on the map!
138.16.3.3	View precise location of 138.16.3.3 on the map!
138.16.3.64	View precise location of 138.16.3.64 on the map!
138.16.3.17	View precise location of 138.16.3.17 on the map!
138.16.3.235	View precise location of 138.16.3.235 on the map!

10 Random IPs

33.34.33.70	Find precise map location of 33.34.33.70
221.222.250.159	Find precise map location of 221.222.250.159
238.63.213.109	Find precise map location of 238.63.213.109
52.46.218.166	Find precise map location of 52.46.218.166
121.148.240.94	Find precise map location of 121.148.240.94
196.106.227.226	Find precise map location of 196.106.227.226
241.173.8.4	Find precise map location of 241.173.8.4
36.222.199.33	Find precise map location of 36.222.199.33
182.63.55.227	Find precise map location of 182.63.55.227
149.20.200.222	Find precise map location of 149.20.200.222
218.235.212.116	Find precise map location of 218.235.212.116

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