228.73.187 is a class C of IPs

Sample IPs from the class C 228.73.187

228.73.187.196	View precise location of 228.73.187.196 on the map!
228.73.187.201	View precise location of 228.73.187.201 on the map!
228.73.187.163	View precise location of 228.73.187.163 on the map!
228.73.187.155	View precise location of 228.73.187.155 on the map!
228.73.187.192	View precise location of 228.73.187.192 on the map!
228.73.187.179	View precise location of 228.73.187.179 on the map!
228.73.187.99	View precise location of 228.73.187.99 on the map!
228.73.187.53	View precise location of 228.73.187.53 on the map!
228.73.187.108	View precise location of 228.73.187.108 on the map!
228.73.187.75	View precise location of 228.73.187.75 on the map!
228.73.187.131	View precise location of 228.73.187.131 on the map!

10 Random IPs

167.239.119.80	Find precise map location of 167.239.119.80
18.159.246.95	Find precise map location of 18.159.246.95
4.188.55.103	Find precise map location of 4.188.55.103
217.151.1.38	Find precise map location of 217.151.1.38
78.123.174.140	Find precise map location of 78.123.174.140
132.103.99.196	Find precise map location of 132.103.99.196
185.220.152.238	Find precise map location of 185.220.152.238
56.158.67.90	Find precise map location of 56.158.67.90
145.176.239.84	Find precise map location of 145.176.239.84
76.64.150.128	Find precise map location of 76.64.150.128
17.12.19.170	Find precise map location of 17.12.19.170

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