228.133.12 is a class C of IPs

Sample IPs from the class C 228.133.12

228.133.12.229	View precise location of 228.133.12.229 on the map!
228.133.12.67	View precise location of 228.133.12.67 on the map!
228.133.12.7	View precise location of 228.133.12.7 on the map!
228.133.12.180	View precise location of 228.133.12.180 on the map!
228.133.12.241	View precise location of 228.133.12.241 on the map!
228.133.12.153	View precise location of 228.133.12.153 on the map!
228.133.12.169	View precise location of 228.133.12.169 on the map!
228.133.12.142	View precise location of 228.133.12.142 on the map!
228.133.12.246	View precise location of 228.133.12.246 on the map!
228.133.12.210	View precise location of 228.133.12.210 on the map!
228.133.12.125	View precise location of 228.133.12.125 on the map!

10 Random IPs

135.75.114.214	Find precise map location of 135.75.114.214
187.48.111.229	Find precise map location of 187.48.111.229
60.105.120.70	Find precise map location of 60.105.120.70
214.12.186.54	Find precise map location of 214.12.186.54
66.148.228.91	Find precise map location of 66.148.228.91
114.141.79.47	Find precise map location of 114.141.79.47
171.52.63.72	Find precise map location of 171.52.63.72
168.39.227.120	Find precise map location of 168.39.227.120
41.244.28.67	Find precise map location of 41.244.28.67
44.116.168.196	Find precise map location of 44.116.168.196
94.163.170.188	Find precise map location of 94.163.170.188

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