221.60.4 is a class C of IPs

Sample IPs from the class C 221.60.4

221.60.4.98	View precise location of 221.60.4.98 on the map!
221.60.4.236	View precise location of 221.60.4.236 on the map!
221.60.4.97	View precise location of 221.60.4.97 on the map!
221.60.4.246	View precise location of 221.60.4.246 on the map!
221.60.4.11	View precise location of 221.60.4.11 on the map!
221.60.4.99	View precise location of 221.60.4.99 on the map!
221.60.4.172	View precise location of 221.60.4.172 on the map!
221.60.4.193	View precise location of 221.60.4.193 on the map!
221.60.4.27	View precise location of 221.60.4.27 on the map!
221.60.4.46	View precise location of 221.60.4.46 on the map!
221.60.4.33	View precise location of 221.60.4.33 on the map!

10 Random IPs

234.180.89.69	Find precise map location of 234.180.89.69
94.239.211.246	Find precise map location of 94.239.211.246
33.162.192.173	Find precise map location of 33.162.192.173
207.205.135.99	Find precise map location of 207.205.135.99
22.47.31.144	Find precise map location of 22.47.31.144
168.178.217.238	Find precise map location of 168.178.217.238
34.8.22.93	Find precise map location of 34.8.22.93
141.231.9.145	Find precise map location of 141.231.9.145
219.53.107.64	Find precise map location of 219.53.107.64
159.33.151.37	Find precise map location of 159.33.151.37
204.1.20.155	Find precise map location of 204.1.20.155

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