138.153.129 is a class C of IPs

Sample IPs from the class C 138.153.129

138.153.129.182	View precise location of 138.153.129.182 on the map!
138.153.129.56	View precise location of 138.153.129.56 on the map!
138.153.129.142	View precise location of 138.153.129.142 on the map!
138.153.129.162	View precise location of 138.153.129.162 on the map!
138.153.129.65	View precise location of 138.153.129.65 on the map!
138.153.129.95	View precise location of 138.153.129.95 on the map!
138.153.129.153	View precise location of 138.153.129.153 on the map!
138.153.129.146	View precise location of 138.153.129.146 on the map!
138.153.129.18	View precise location of 138.153.129.18 on the map!
138.153.129.189	View precise location of 138.153.129.189 on the map!
138.153.129.149	View precise location of 138.153.129.149 on the map!

10 Random IPs

80.35.142.63	Find precise map location of 80.35.142.63
3.119.203.166	Find precise map location of 3.119.203.166
127.40.206.57	Find precise map location of 127.40.206.57
105.220.171.152	Find precise map location of 105.220.171.152
1.137.239.15	Find precise map location of 1.137.239.15
21.131.206.123	Find precise map location of 21.131.206.123
59.192.9.142	Find precise map location of 59.192.9.142
111.81.191.33	Find precise map location of 111.81.191.33
132.191.31.251	Find precise map location of 132.191.31.251
182.83.99.158	Find precise map location of 182.83.99.158
11.137.100.21	Find precise map location of 11.137.100.21

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