221.57.61 is a class C of IPs

Sample IPs from the class C 221.57.61

221.57.61.189	View precise location of 221.57.61.189 on the map!
221.57.61.204	View precise location of 221.57.61.204 on the map!
221.57.61.34	View precise location of 221.57.61.34 on the map!
221.57.61.221	View precise location of 221.57.61.221 on the map!
221.57.61.56	View precise location of 221.57.61.56 on the map!
221.57.61.70	View precise location of 221.57.61.70 on the map!
221.57.61.28	View precise location of 221.57.61.28 on the map!
221.57.61.223	View precise location of 221.57.61.223 on the map!
221.57.61.251	View precise location of 221.57.61.251 on the map!
221.57.61.243	View precise location of 221.57.61.243 on the map!
221.57.61.45	View precise location of 221.57.61.45 on the map!

10 Random IPs

128.55.33.103	Find precise map location of 128.55.33.103
134.135.217.127	Find precise map location of 134.135.217.127
8.94.82.149	Find precise map location of 8.94.82.149
50.38.255.70	Find precise map location of 50.38.255.70
249.116.112.47	Find precise map location of 249.116.112.47
206.28.123.24	Find precise map location of 206.28.123.24
9.76.140.172	Find precise map location of 9.76.140.172
99.254.207.114	Find precise map location of 99.254.207.114
232.162.30.114	Find precise map location of 232.162.30.114
16.33.25.142	Find precise map location of 16.33.25.142
174.120.204.98	Find precise map location of 174.120.204.98

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