8.121.28 is a class C of IPs

Sample IPs from the class C 8.121.28

8.121.28.7	View precise location of 8.121.28.7 on the map!
8.121.28.229	View precise location of 8.121.28.229 on the map!
8.121.28.157	View precise location of 8.121.28.157 on the map!
8.121.28.66	View precise location of 8.121.28.66 on the map!
8.121.28.167	View precise location of 8.121.28.167 on the map!
8.121.28.215	View precise location of 8.121.28.215 on the map!
8.121.28.144	View precise location of 8.121.28.144 on the map!
8.121.28.215	View precise location of 8.121.28.215 on the map!
8.121.28.86	View precise location of 8.121.28.86 on the map!
8.121.28.234	View precise location of 8.121.28.234 on the map!
8.121.28.193	View precise location of 8.121.28.193 on the map!

10 Random IPs

76.51.160.34	Find precise map location of 76.51.160.34
101.191.89.20	Find precise map location of 101.191.89.20
200.209.244.108	Find precise map location of 200.209.244.108
29.243.197.119	Find precise map location of 29.243.197.119
112.49.56.63	Find precise map location of 112.49.56.63
253.231.73.16	Find precise map location of 253.231.73.16
115.109.252.2	Find precise map location of 115.109.252.2
216.93.79.173	Find precise map location of 216.93.79.173
197.251.190.114	Find precise map location of 197.251.190.114
70.55.38.127	Find precise map location of 70.55.38.127
168.67.56.204	Find precise map location of 168.67.56.204

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