221.45.7 is a class C of IPs

Sample IPs from the class C 221.45.7

221.45.7.15	View precise location of 221.45.7.15 on the map!
221.45.7.252	View precise location of 221.45.7.252 on the map!
221.45.7.60	View precise location of 221.45.7.60 on the map!
221.45.7.1	View precise location of 221.45.7.1 on the map!
221.45.7.32	View precise location of 221.45.7.32 on the map!
221.45.7.147	View precise location of 221.45.7.147 on the map!
221.45.7.15	View precise location of 221.45.7.15 on the map!
221.45.7.158	View precise location of 221.45.7.158 on the map!
221.45.7.160	View precise location of 221.45.7.160 on the map!
221.45.7.109	View precise location of 221.45.7.109 on the map!
221.45.7.203	View precise location of 221.45.7.203 on the map!

10 Random IPs

193.174.135.132	Find precise map location of 193.174.135.132
241.241.251.68	Find precise map location of 241.241.251.68
217.209.4.41	Find precise map location of 217.209.4.41
109.174.106.202	Find precise map location of 109.174.106.202
123.34.6.126	Find precise map location of 123.34.6.126
179.125.214.85	Find precise map location of 179.125.214.85
123.104.23.216	Find precise map location of 123.104.23.216
98.71.92.18	Find precise map location of 98.71.92.18
175.208.92.249	Find precise map location of 175.208.92.249
249.237.2.171	Find precise map location of 249.237.2.171
183.81.231.32	Find precise map location of 183.81.231.32

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