229.28.113 is a class C of IPs

Sample IPs from the class C 229.28.113

229.28.113.243	View precise location of 229.28.113.243 on the map!
229.28.113.45	View precise location of 229.28.113.45 on the map!
229.28.113.241	View precise location of 229.28.113.241 on the map!
229.28.113.239	View precise location of 229.28.113.239 on the map!
229.28.113.64	View precise location of 229.28.113.64 on the map!
229.28.113.139	View precise location of 229.28.113.139 on the map!
229.28.113.233	View precise location of 229.28.113.233 on the map!
229.28.113.248	View precise location of 229.28.113.248 on the map!
229.28.113.86	View precise location of 229.28.113.86 on the map!
229.28.113.230	View precise location of 229.28.113.230 on the map!
229.28.113.181	View precise location of 229.28.113.181 on the map!

10 Random IPs

151.165.152.139	Find precise map location of 151.165.152.139
234.235.137.222	Find precise map location of 234.235.137.222
23.37.207.182	Find precise map location of 23.37.207.182
146.222.149.232	Find precise map location of 146.222.149.232
157.92.131.71	Find precise map location of 157.92.131.71
171.251.57.190	Find precise map location of 171.251.57.190
49.185.104.149	Find precise map location of 49.185.104.149
196.32.93.49	Find precise map location of 196.32.93.49
1.113.122.23	Find precise map location of 1.113.122.23
156.132.25.190	Find precise map location of 156.132.25.190
114.73.53.55	Find precise map location of 114.73.53.55

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