138.40.38 is a class C of IPs

Sample IPs from the class C 138.40.38

138.40.38.58	View precise location of 138.40.38.58 on the map!
138.40.38.123	View precise location of 138.40.38.123 on the map!
138.40.38.252	View precise location of 138.40.38.252 on the map!
138.40.38.58	View precise location of 138.40.38.58 on the map!
138.40.38.184	View precise location of 138.40.38.184 on the map!
138.40.38.222	View precise location of 138.40.38.222 on the map!
138.40.38.180	View precise location of 138.40.38.180 on the map!
138.40.38.220	View precise location of 138.40.38.220 on the map!
138.40.38.224	View precise location of 138.40.38.224 on the map!
138.40.38.149	View precise location of 138.40.38.149 on the map!
138.40.38.65	View precise location of 138.40.38.65 on the map!

10 Random IPs

198.139.18.166	Find precise map location of 198.139.18.166
100.6.85.153	Find precise map location of 100.6.85.153
138.29.84.255	Find precise map location of 138.29.84.255
231.192.27.173	Find precise map location of 231.192.27.173
207.208.249.130	Find precise map location of 207.208.249.130
128.159.80.28	Find precise map location of 128.159.80.28
199.202.71.36	Find precise map location of 199.202.71.36
195.104.52.140	Find precise map location of 195.104.52.140
51.223.50.3	Find precise map location of 51.223.50.3
134.236.41.89	Find precise map location of 134.236.41.89
71.92.184.238	Find precise map location of 71.92.184.238

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