138.105.23 is a class C of IPs

Sample IPs from the class C 138.105.23

138.105.23.242	View precise location of 138.105.23.242 on the map!
138.105.23.145	View precise location of 138.105.23.145 on the map!
138.105.23.46	View precise location of 138.105.23.46 on the map!
138.105.23.235	View precise location of 138.105.23.235 on the map!
138.105.23.225	View precise location of 138.105.23.225 on the map!
138.105.23.193	View precise location of 138.105.23.193 on the map!
138.105.23.129	View precise location of 138.105.23.129 on the map!
138.105.23.150	View precise location of 138.105.23.150 on the map!
138.105.23.146	View precise location of 138.105.23.146 on the map!
138.105.23.244	View precise location of 138.105.23.244 on the map!
138.105.23.71	View precise location of 138.105.23.71 on the map!

10 Random IPs

247.201.105.230	Find precise map location of 247.201.105.230
15.98.98.144	Find precise map location of 15.98.98.144
139.215.160.41	Find precise map location of 139.215.160.41
197.214.84.195	Find precise map location of 197.214.84.195
131.144.206.212	Find precise map location of 131.144.206.212
12.161.118.63	Find precise map location of 12.161.118.63
28.107.73.59	Find precise map location of 28.107.73.59
88.16.131.70	Find precise map location of 88.16.131.70
186.133.193.228	Find precise map location of 186.133.193.228
46.134.143.32	Find precise map location of 46.134.143.32
28.196.28.125	Find precise map location of 28.196.28.125

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