233.121.81 is a class C of IPs

Sample IPs from the class C 233.121.81

233.121.81.98	View precise location of 233.121.81.98 on the map!
233.121.81.214	View precise location of 233.121.81.214 on the map!
233.121.81.42	View precise location of 233.121.81.42 on the map!
233.121.81.243	View precise location of 233.121.81.243 on the map!
233.121.81.80	View precise location of 233.121.81.80 on the map!
233.121.81.148	View precise location of 233.121.81.148 on the map!
233.121.81.183	View precise location of 233.121.81.183 on the map!
233.121.81.190	View precise location of 233.121.81.190 on the map!
233.121.81.22	View precise location of 233.121.81.22 on the map!
233.121.81.65	View precise location of 233.121.81.65 on the map!
233.121.81.243	View precise location of 233.121.81.243 on the map!

10 Random IPs

6.63.118.202	Find precise map location of 6.63.118.202
53.16.43.74	Find precise map location of 53.16.43.74
103.176.7.144	Find precise map location of 103.176.7.144
130.78.185.89	Find precise map location of 130.78.185.89
140.80.157.192	Find precise map location of 140.80.157.192
127.203.17.29	Find precise map location of 127.203.17.29
143.29.157.13	Find precise map location of 143.29.157.13
95.242.82.93	Find precise map location of 95.242.82.93
82.118.70.54	Find precise map location of 82.118.70.54
216.93.249.172	Find precise map location of 216.93.249.172
78.15.151.76	Find precise map location of 78.15.151.76

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