23.187.72 is a class C of IPs

Sample IPs from the class C 23.187.72

23.187.72.135	View precise location of 23.187.72.135 on the map!
23.187.72.9	View precise location of 23.187.72.9 on the map!
23.187.72.226	View precise location of 23.187.72.226 on the map!
23.187.72.221	View precise location of 23.187.72.221 on the map!
23.187.72.134	View precise location of 23.187.72.134 on the map!
23.187.72.147	View precise location of 23.187.72.147 on the map!
23.187.72.30	View precise location of 23.187.72.30 on the map!
23.187.72.113	View precise location of 23.187.72.113 on the map!
23.187.72.237	View precise location of 23.187.72.237 on the map!
23.187.72.127	View precise location of 23.187.72.127 on the map!
23.187.72.253	View precise location of 23.187.72.253 on the map!

10 Random IPs

113.75.140.77	Find precise map location of 113.75.140.77
227.27.111.247	Find precise map location of 227.27.111.247
84.134.117.125	Find precise map location of 84.134.117.125
184.155.221.22	Find precise map location of 184.155.221.22
178.177.61.72	Find precise map location of 178.177.61.72
162.40.201.7	Find precise map location of 162.40.201.7
103.213.130.123	Find precise map location of 103.213.130.123
213.24.43.12	Find precise map location of 213.24.43.12
64.8.120.246	Find precise map location of 64.8.120.246
42.241.42.252	Find precise map location of 42.241.42.252
6.230.109.42	Find precise map location of 6.230.109.42

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