128.72.199 is a class C of IPs

Sample IPs from the class C 128.72.199

128.72.199.103	View precise location of 128.72.199.103 on the map!
128.72.199.218	View precise location of 128.72.199.218 on the map!
128.72.199.168	View precise location of 128.72.199.168 on the map!
128.72.199.231	View precise location of 128.72.199.231 on the map!
128.72.199.83	View precise location of 128.72.199.83 on the map!
128.72.199.53	View precise location of 128.72.199.53 on the map!
128.72.199.147	View precise location of 128.72.199.147 on the map!
128.72.199.240	View precise location of 128.72.199.240 on the map!
128.72.199.129	View precise location of 128.72.199.129 on the map!
128.72.199.179	View precise location of 128.72.199.179 on the map!
128.72.199.150	View precise location of 128.72.199.150 on the map!

10 Random IPs

230.145.249.112	Find precise map location of 230.145.249.112
243.100.114.191	Find precise map location of 243.100.114.191
202.168.225.113	Find precise map location of 202.168.225.113
174.71.222.242	Find precise map location of 174.71.222.242
1.61.32.3	Find precise map location of 1.61.32.3
205.162.69.68	Find precise map location of 205.162.69.68
122.111.218.221	Find precise map location of 122.111.218.221
82.62.84.69	Find precise map location of 82.62.84.69
198.232.190.23	Find precise map location of 198.232.190.23
17.10.234.40	Find precise map location of 17.10.234.40
220.196.187.181	Find precise map location of 220.196.187.181

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