156.33.188 is a class C of IPs

Sample IPs from the class C 156.33.188

156.33.188.169	View precise location of 156.33.188.169 on the map!
156.33.188.89	View precise location of 156.33.188.89 on the map!
156.33.188.72	View precise location of 156.33.188.72 on the map!
156.33.188.217	View precise location of 156.33.188.217 on the map!
156.33.188.51	View precise location of 156.33.188.51 on the map!
156.33.188.18	View precise location of 156.33.188.18 on the map!
156.33.188.192	View precise location of 156.33.188.192 on the map!
156.33.188.160	View precise location of 156.33.188.160 on the map!
156.33.188.123	View precise location of 156.33.188.123 on the map!
156.33.188.72	View precise location of 156.33.188.72 on the map!
156.33.188.105	View precise location of 156.33.188.105 on the map!

10 Random IPs

57.36.211.197	Find precise map location of 57.36.211.197
196.215.184.110	Find precise map location of 196.215.184.110
19.145.134.190	Find precise map location of 19.145.134.190
99.130.175.168	Find precise map location of 99.130.175.168
168.201.144.13	Find precise map location of 168.201.144.13
209.87.196.21	Find precise map location of 209.87.196.21
152.129.106.100	Find precise map location of 152.129.106.100
203.112.64.164	Find precise map location of 203.112.64.164
163.63.178.114	Find precise map location of 163.63.178.114
151.25.249.162	Find precise map location of 151.25.249.162
117.134.137.8	Find precise map location of 117.134.137.8

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