231.28.48 is a class C of IPs

Sample IPs from the class C 231.28.48

231.28.48.244	View precise location of 231.28.48.244 on the map!
231.28.48.136	View precise location of 231.28.48.136 on the map!
231.28.48.142	View precise location of 231.28.48.142 on the map!
231.28.48.147	View precise location of 231.28.48.147 on the map!
231.28.48.253	View precise location of 231.28.48.253 on the map!
231.28.48.106	View precise location of 231.28.48.106 on the map!
231.28.48.153	View precise location of 231.28.48.153 on the map!
231.28.48.81	View precise location of 231.28.48.81 on the map!
231.28.48.124	View precise location of 231.28.48.124 on the map!
231.28.48.254	View precise location of 231.28.48.254 on the map!
231.28.48.64	View precise location of 231.28.48.64 on the map!

10 Random IPs

34.69.106.118	Find precise map location of 34.69.106.118
76.97.192.182	Find precise map location of 76.97.192.182
90.159.39.128	Find precise map location of 90.159.39.128
150.66.106.5	Find precise map location of 150.66.106.5
163.13.149.211	Find precise map location of 163.13.149.211
80.69.26.38	Find precise map location of 80.69.26.38
219.80.79.121	Find precise map location of 219.80.79.121
43.185.11.106	Find precise map location of 43.185.11.106
106.1.210.97	Find precise map location of 106.1.210.97
216.201.112.21	Find precise map location of 216.201.112.21
81.151.217.56	Find precise map location of 81.151.217.56

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