216.144.137 is a class C of IPs

Sample IPs from the class C 216.144.137

216.144.137.252	View precise location of 216.144.137.252 on the map!
216.144.137.200	View precise location of 216.144.137.200 on the map!
216.144.137.249	View precise location of 216.144.137.249 on the map!
216.144.137.175	View precise location of 216.144.137.175 on the map!
216.144.137.237	View precise location of 216.144.137.237 on the map!
216.144.137.57	View precise location of 216.144.137.57 on the map!
216.144.137.32	View precise location of 216.144.137.32 on the map!
216.144.137.175	View precise location of 216.144.137.175 on the map!
216.144.137.81	View precise location of 216.144.137.81 on the map!
216.144.137.152	View precise location of 216.144.137.152 on the map!
216.144.137.57	View precise location of 216.144.137.57 on the map!

10 Random IPs

149.199.181.200	Find precise map location of 149.199.181.200
225.129.197.216	Find precise map location of 225.129.197.216
40.247.222.98	Find precise map location of 40.247.222.98
233.244.40.225	Find precise map location of 233.244.40.225
17.144.47.6	Find precise map location of 17.144.47.6
224.216.161.167	Find precise map location of 224.216.161.167
84.8.144.239	Find precise map location of 84.8.144.239
191.58.89.52	Find precise map location of 191.58.89.52
7.37.22.194	Find precise map location of 7.37.22.194
225.227.138.148	Find precise map location of 225.227.138.148
86.78.194.6	Find precise map location of 86.78.194.6

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