121.28.160 is a class C of IPs

Sample IPs from the class C 121.28.160

121.28.160.121	View precise location of 121.28.160.121 on the map!
121.28.160.72	View precise location of 121.28.160.72 on the map!
121.28.160.104	View precise location of 121.28.160.104 on the map!
121.28.160.158	View precise location of 121.28.160.158 on the map!
121.28.160.200	View precise location of 121.28.160.200 on the map!
121.28.160.222	View precise location of 121.28.160.222 on the map!
121.28.160.30	View precise location of 121.28.160.30 on the map!
121.28.160.30	View precise location of 121.28.160.30 on the map!
121.28.160.246	View precise location of 121.28.160.246 on the map!
121.28.160.92	View precise location of 121.28.160.92 on the map!
121.28.160.122	View precise location of 121.28.160.122 on the map!

10 Random IPs

237.237.7.57	Find precise map location of 237.237.7.57
196.180.29.71	Find precise map location of 196.180.29.71
190.152.227.95	Find precise map location of 190.152.227.95
29.50.171.245	Find precise map location of 29.50.171.245
54.134.127.37	Find precise map location of 54.134.127.37
221.31.40.156	Find precise map location of 221.31.40.156
228.194.106.27	Find precise map location of 228.194.106.27
49.150.24.117	Find precise map location of 49.150.24.117
25.98.45.248	Find precise map location of 25.98.45.248
63.35.173.45	Find precise map location of 63.35.173.45
27.174.63.254	Find precise map location of 27.174.63.254

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