72.173.45 is a class C of IPs

Sample IPs from the class C 72.173.45

72.173.45.96	View precise location of 72.173.45.96 on the map!
72.173.45.106	View precise location of 72.173.45.106 on the map!
72.173.45.218	View precise location of 72.173.45.218 on the map!
72.173.45.198	View precise location of 72.173.45.198 on the map!
72.173.45.214	View precise location of 72.173.45.214 on the map!
72.173.45.64	View precise location of 72.173.45.64 on the map!
72.173.45.214	View precise location of 72.173.45.214 on the map!
72.173.45.86	View precise location of 72.173.45.86 on the map!
72.173.45.253	View precise location of 72.173.45.253 on the map!
72.173.45.248	View precise location of 72.173.45.248 on the map!
72.173.45.108	View precise location of 72.173.45.108 on the map!

10 Random IPs

128.89.166.69	Find precise map location of 128.89.166.69
108.55.89.242	Find precise map location of 108.55.89.242
110.109.13.9	Find precise map location of 110.109.13.9
95.148.158.57	Find precise map location of 95.148.158.57
25.30.123.129	Find precise map location of 25.30.123.129
27.187.17.186	Find precise map location of 27.187.17.186
6.21.121.201	Find precise map location of 6.21.121.201
79.158.57.137	Find precise map location of 79.158.57.137
109.25.182.178	Find precise map location of 109.25.182.178
200.137.32.2	Find precise map location of 200.137.32.2
82.207.98.74	Find precise map location of 82.207.98.74

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