28.70 is a class B of IPs

Sample IPs from the class B 28.70

28.70.132.247	View precise location of 28.70.132.247 on the map!
28.70.79.137	View precise location of 28.70.79.137 on the map!
28.70.88.207	View precise location of 28.70.88.207 on the map!
28.70.90.192	View precise location of 28.70.90.192 on the map!
28.70.97.223	View precise location of 28.70.97.223 on the map!
28.70.86.239	View precise location of 28.70.86.239 on the map!
28.70.219.198	View precise location of 28.70.219.198 on the map!
28.70.70.217	View precise location of 28.70.70.217 on the map!
28.70.39.48	View precise location of 28.70.39.48 on the map!
28.70.201.36	View precise location of 28.70.201.36 on the map!
28.70.209.122	View precise location of 28.70.209.122 on the map!

10 Random IPs

56.221.223.119	Find precise map location of 56.221.223.119
80.208.133.179	Find precise map location of 80.208.133.179
94.3.192.40	Find precise map location of 94.3.192.40
244.207.13.11	Find precise map location of 244.207.13.11
122.124.252.118	Find precise map location of 122.124.252.118
150.130.134.221	Find precise map location of 150.130.134.221
186.139.180.224	Find precise map location of 186.139.180.224
91.92.23.106	Find precise map location of 91.92.23.106
236.133.200.16	Find precise map location of 236.133.200.16
41.20.203.33	Find precise map location of 41.20.203.33
217.9.180.72	Find precise map location of 217.9.180.72

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