233.242.21 is a class C of IPs

Sample IPs from the class C 233.242.21

233.242.21.126	View precise location of 233.242.21.126 on the map!
233.242.21.84	View precise location of 233.242.21.84 on the map!
233.242.21.68	View precise location of 233.242.21.68 on the map!
233.242.21.208	View precise location of 233.242.21.208 on the map!
233.242.21.54	View precise location of 233.242.21.54 on the map!
233.242.21.191	View precise location of 233.242.21.191 on the map!
233.242.21.205	View precise location of 233.242.21.205 on the map!
233.242.21.103	View precise location of 233.242.21.103 on the map!
233.242.21.101	View precise location of 233.242.21.101 on the map!
233.242.21.228	View precise location of 233.242.21.228 on the map!
233.242.21.72	View precise location of 233.242.21.72 on the map!

10 Random IPs

153.92.226.121	Find precise map location of 153.92.226.121
161.33.118.160	Find precise map location of 161.33.118.160
118.101.190.192	Find precise map location of 118.101.190.192
189.67.171.106	Find precise map location of 189.67.171.106
244.68.11.3	Find precise map location of 244.68.11.3
168.182.105.234	Find precise map location of 168.182.105.234
78.220.216.85	Find precise map location of 78.220.216.85
183.183.80.222	Find precise map location of 183.183.80.222
113.119.243.42	Find precise map location of 113.119.243.42
179.29.155.69	Find precise map location of 179.29.155.69
207.79.87.233	Find precise map location of 207.79.87.233

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