216.153.83 is a class C of IPs

Sample IPs from the class C 216.153.83

216.153.83.136	View precise location of 216.153.83.136 on the map!
216.153.83.21	View precise location of 216.153.83.21 on the map!
216.153.83.122	View precise location of 216.153.83.122 on the map!
216.153.83.38	View precise location of 216.153.83.38 on the map!
216.153.83.212	View precise location of 216.153.83.212 on the map!
216.153.83.166	View precise location of 216.153.83.166 on the map!
216.153.83.20	View precise location of 216.153.83.20 on the map!
216.153.83.222	View precise location of 216.153.83.222 on the map!
216.153.83.21	View precise location of 216.153.83.21 on the map!
216.153.83.112	View precise location of 216.153.83.112 on the map!
216.153.83.67	View precise location of 216.153.83.67 on the map!

10 Random IPs

111.160.154.80	Find precise map location of 111.160.154.80
61.212.227.94	Find precise map location of 61.212.227.94
132.142.19.157	Find precise map location of 132.142.19.157
241.19.30.86	Find precise map location of 241.19.30.86
80.184.231.9	Find precise map location of 80.184.231.9
153.103.88.47	Find precise map location of 153.103.88.47
9.176.119.86	Find precise map location of 9.176.119.86
248.100.42.66	Find precise map location of 248.100.42.66
49.37.185.231	Find precise map location of 49.37.185.231
3.134.226.138	Find precise map location of 3.134.226.138
189.196.86.205	Find precise map location of 189.196.86.205

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