233.21.231 is a class C of IPs

Sample IPs from the class C 233.21.231

233.21.231.250	View precise location of 233.21.231.250 on the map!
233.21.231.146	View precise location of 233.21.231.146 on the map!
233.21.231.161	View precise location of 233.21.231.161 on the map!
233.21.231.152	View precise location of 233.21.231.152 on the map!
233.21.231.18	View precise location of 233.21.231.18 on the map!
233.21.231.209	View precise location of 233.21.231.209 on the map!
233.21.231.82	View precise location of 233.21.231.82 on the map!
233.21.231.235	View precise location of 233.21.231.235 on the map!
233.21.231.99	View precise location of 233.21.231.99 on the map!
233.21.231.80	View precise location of 233.21.231.80 on the map!
233.21.231.158	View precise location of 233.21.231.158 on the map!

10 Random IPs

248.233.45.83	Find precise map location of 248.233.45.83
198.203.231.7	Find precise map location of 198.203.231.7
210.184.101.101	Find precise map location of 210.184.101.101
181.158.143.160	Find precise map location of 181.158.143.160
55.198.102.157	Find precise map location of 55.198.102.157
140.204.253.114	Find precise map location of 140.204.253.114
131.87.107.222	Find precise map location of 131.87.107.222
183.238.53.189	Find precise map location of 183.238.53.189
248.225.162.112	Find precise map location of 248.225.162.112
209.175.196.102	Find precise map location of 209.175.196.102
137.241.28.201	Find precise map location of 137.241.28.201

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