123.172.54 is a class C of IPs

Sample IPs from the class C 123.172.54

123.172.54.208	View precise location of 123.172.54.208 on the map!
123.172.54.111	View precise location of 123.172.54.111 on the map!
123.172.54.77	View precise location of 123.172.54.77 on the map!
123.172.54.253	View precise location of 123.172.54.253 on the map!
123.172.54.181	View precise location of 123.172.54.181 on the map!
123.172.54.139	View precise location of 123.172.54.139 on the map!
123.172.54.51	View precise location of 123.172.54.51 on the map!
123.172.54.195	View precise location of 123.172.54.195 on the map!
123.172.54.47	View precise location of 123.172.54.47 on the map!
123.172.54.38	View precise location of 123.172.54.38 on the map!
123.172.54.81	View precise location of 123.172.54.81 on the map!

10 Random IPs

229.19.65.75	Find precise map location of 229.19.65.75
235.147.62.118	Find precise map location of 235.147.62.118
233.92.83.145	Find precise map location of 233.92.83.145
43.110.29.133	Find precise map location of 43.110.29.133
244.116.220.197	Find precise map location of 244.116.220.197
173.131.88.130	Find precise map location of 173.131.88.130
180.164.116.188	Find precise map location of 180.164.116.188
138.208.227.173	Find precise map location of 138.208.227.173
223.65.213.93	Find precise map location of 223.65.213.93
77.48.211.84	Find precise map location of 77.48.211.84
200.129.113.209	Find precise map location of 200.129.113.209

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