4.23.255 is a class C of IPs

Sample IPs from the class C 4.23.255

4.23.255.93	View precise location of 4.23.255.93 on the map!
4.23.255.40	View precise location of 4.23.255.40 on the map!
4.23.255.150	View precise location of 4.23.255.150 on the map!
4.23.255.83	View precise location of 4.23.255.83 on the map!
4.23.255.224	View precise location of 4.23.255.224 on the map!
4.23.255.6	View precise location of 4.23.255.6 on the map!
4.23.255.209	View precise location of 4.23.255.209 on the map!
4.23.255.21	View precise location of 4.23.255.21 on the map!
4.23.255.169	View precise location of 4.23.255.169 on the map!
4.23.255.247	View precise location of 4.23.255.247 on the map!
4.23.255.175	View precise location of 4.23.255.175 on the map!

10 Random IPs

65.189.199.79	Find precise map location of 65.189.199.79
139.45.83.215	Find precise map location of 139.45.83.215
197.140.180.4	Find precise map location of 197.140.180.4
165.116.97.83	Find precise map location of 165.116.97.83
206.32.211.238	Find precise map location of 206.32.211.238
147.57.53.76	Find precise map location of 147.57.53.76
232.91.243.166	Find precise map location of 232.91.243.166
225.6.164.153	Find precise map location of 225.6.164.153
85.32.158.50	Find precise map location of 85.32.158.50
237.199.99.55	Find precise map location of 237.199.99.55
90.6.106.175	Find precise map location of 90.6.106.175

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