28.73.61 is a class C of IPs

Sample IPs from the class C 28.73.61

28.73.61.22	View precise location of 28.73.61.22 on the map!
28.73.61.64	View precise location of 28.73.61.64 on the map!
28.73.61.224	View precise location of 28.73.61.224 on the map!
28.73.61.52	View precise location of 28.73.61.52 on the map!
28.73.61.193	View precise location of 28.73.61.193 on the map!
28.73.61.68	View precise location of 28.73.61.68 on the map!
28.73.61.122	View precise location of 28.73.61.122 on the map!
28.73.61.119	View precise location of 28.73.61.119 on the map!
28.73.61.130	View precise location of 28.73.61.130 on the map!
28.73.61.210	View precise location of 28.73.61.210 on the map!
28.73.61.84	View precise location of 28.73.61.84 on the map!

10 Random IPs

143.65.176.2	Find precise map location of 143.65.176.2
101.113.239.230	Find precise map location of 101.113.239.230
119.78.32.167	Find precise map location of 119.78.32.167
71.223.44.141	Find precise map location of 71.223.44.141
179.111.198.249	Find precise map location of 179.111.198.249
121.32.228.245	Find precise map location of 121.32.228.245
254.47.1.21	Find precise map location of 254.47.1.21
97.134.144.126	Find precise map location of 97.134.144.126
89.42.51.97	Find precise map location of 89.42.51.97
136.1.238.177	Find precise map location of 136.1.238.177
238.78.139.166	Find precise map location of 238.78.139.166

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