223.2.121 is a class C of IPs

Sample IPs from the class C 223.2.121

223.2.121.90	View precise location of 223.2.121.90 on the map!
223.2.121.16	View precise location of 223.2.121.16 on the map!
223.2.121.222	View precise location of 223.2.121.222 on the map!
223.2.121.145	View precise location of 223.2.121.145 on the map!
223.2.121.243	View precise location of 223.2.121.243 on the map!
223.2.121.238	View precise location of 223.2.121.238 on the map!
223.2.121.82	View precise location of 223.2.121.82 on the map!
223.2.121.75	View precise location of 223.2.121.75 on the map!
223.2.121.48	View precise location of 223.2.121.48 on the map!
223.2.121.56	View precise location of 223.2.121.56 on the map!
223.2.121.153	View precise location of 223.2.121.153 on the map!

10 Random IPs

152.98.19.72	Find precise map location of 152.98.19.72
164.48.197.160	Find precise map location of 164.48.197.160
93.129.182.176	Find precise map location of 93.129.182.176
219.218.33.85	Find precise map location of 219.218.33.85
143.50.208.228	Find precise map location of 143.50.208.228
249.233.131.82	Find precise map location of 249.233.131.82
155.71.212.17	Find precise map location of 155.71.212.17
60.203.247.47	Find precise map location of 60.203.247.47
105.45.208.150	Find precise map location of 105.45.208.150
73.95.9.253	Find precise map location of 73.95.9.253
9.142.216.236	Find precise map location of 9.142.216.236

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