203.137.6 is a class C of IPs

Sample IPs from the class C 203.137.6

203.137.6.40	View precise location of 203.137.6.40 on the map!
203.137.6.201	View precise location of 203.137.6.201 on the map!
203.137.6.112	View precise location of 203.137.6.112 on the map!
203.137.6.139	View precise location of 203.137.6.139 on the map!
203.137.6.252	View precise location of 203.137.6.252 on the map!
203.137.6.148	View precise location of 203.137.6.148 on the map!
203.137.6.207	View precise location of 203.137.6.207 on the map!
203.137.6.35	View precise location of 203.137.6.35 on the map!
203.137.6.248	View precise location of 203.137.6.248 on the map!
203.137.6.72	View precise location of 203.137.6.72 on the map!
203.137.6.119	View precise location of 203.137.6.119 on the map!

10 Random IPs

107.51.35.153	Find precise map location of 107.51.35.153
245.179.173.66	Find precise map location of 245.179.173.66
60.48.47.159	Find precise map location of 60.48.47.159
218.40.69.252	Find precise map location of 218.40.69.252
174.81.68.110	Find precise map location of 174.81.68.110
16.149.23.74	Find precise map location of 16.149.23.74
21.59.92.247	Find precise map location of 21.59.92.247
212.194.233.33	Find precise map location of 212.194.233.33
82.166.109.115	Find precise map location of 82.166.109.115
25.147.93.132	Find precise map location of 25.147.93.132
113.235.77.130	Find precise map location of 113.235.77.130

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