204.4.15 is a class C of IPs

Sample IPs from the class C 204.4.15

204.4.15.224	View precise location of 204.4.15.224 on the map!
204.4.15.157	View precise location of 204.4.15.157 on the map!
204.4.15.11	View precise location of 204.4.15.11 on the map!
204.4.15.201	View precise location of 204.4.15.201 on the map!
204.4.15.131	View precise location of 204.4.15.131 on the map!
204.4.15.196	View precise location of 204.4.15.196 on the map!
204.4.15.149	View precise location of 204.4.15.149 on the map!
204.4.15.20	View precise location of 204.4.15.20 on the map!
204.4.15.103	View precise location of 204.4.15.103 on the map!
204.4.15.236	View precise location of 204.4.15.236 on the map!
204.4.15.7	View precise location of 204.4.15.7 on the map!

10 Random IPs

136.140.101.252	Find precise map location of 136.140.101.252
158.233.117.32	Find precise map location of 158.233.117.32
183.126.113.205	Find precise map location of 183.126.113.205
10.165.68.48	Find precise map location of 10.165.68.48
44.78.65.211	Find precise map location of 44.78.65.211
203.247.65.85	Find precise map location of 203.247.65.85
156.103.91.226	Find precise map location of 156.103.91.226
113.254.21.110	Find precise map location of 113.254.21.110
29.15.107.103	Find precise map location of 29.15.107.103
39.51.67.26	Find precise map location of 39.51.67.26
91.91.183.199	Find precise map location of 91.91.183.199

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