123.173.15 is a class C of IPs

Sample IPs from the class C 123.173.15

123.173.15.128	View precise location of 123.173.15.128 on the map!
123.173.15.171	View precise location of 123.173.15.171 on the map!
123.173.15.191	View precise location of 123.173.15.191 on the map!
123.173.15.20	View precise location of 123.173.15.20 on the map!
123.173.15.23	View precise location of 123.173.15.23 on the map!
123.173.15.85	View precise location of 123.173.15.85 on the map!
123.173.15.122	View precise location of 123.173.15.122 on the map!
123.173.15.226	View precise location of 123.173.15.226 on the map!
123.173.15.114	View precise location of 123.173.15.114 on the map!
123.173.15.131	View precise location of 123.173.15.131 on the map!
123.173.15.154	View precise location of 123.173.15.154 on the map!

10 Random IPs

51.16.247.4	Find precise map location of 51.16.247.4
130.156.46.89	Find precise map location of 130.156.46.89
233.75.175.168	Find precise map location of 233.75.175.168
109.71.39.120	Find precise map location of 109.71.39.120
19.11.37.20	Find precise map location of 19.11.37.20
41.24.112.213	Find precise map location of 41.24.112.213
111.46.113.98	Find precise map location of 111.46.113.98
239.43.144.130	Find precise map location of 239.43.144.130
84.251.169.194	Find precise map location of 84.251.169.194
131.183.115.205	Find precise map location of 131.183.115.205
43.220.197.114	Find precise map location of 43.220.197.114

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