121.107.248 is a class C of IPs

Sample IPs from the class C 121.107.248

121.107.248.73	View precise location of 121.107.248.73 on the map!
121.107.248.190	View precise location of 121.107.248.190 on the map!
121.107.248.196	View precise location of 121.107.248.196 on the map!
121.107.248.131	View precise location of 121.107.248.131 on the map!
121.107.248.30	View precise location of 121.107.248.30 on the map!
121.107.248.224	View precise location of 121.107.248.224 on the map!
121.107.248.145	View precise location of 121.107.248.145 on the map!
121.107.248.215	View precise location of 121.107.248.215 on the map!
121.107.248.59	View precise location of 121.107.248.59 on the map!
121.107.248.137	View precise location of 121.107.248.137 on the map!
121.107.248.168	View precise location of 121.107.248.168 on the map!

10 Random IPs

231.173.91.226	Find precise map location of 231.173.91.226
112.180.132.40	Find precise map location of 112.180.132.40
107.68.39.229	Find precise map location of 107.68.39.229
254.202.51.159	Find precise map location of 254.202.51.159
16.48.146.65	Find precise map location of 16.48.146.65
81.238.228.77	Find precise map location of 81.238.228.77
253.31.242.97	Find precise map location of 253.31.242.97
158.77.237.126	Find precise map location of 158.77.237.126
161.159.245.45	Find precise map location of 161.159.245.45
252.183.100.24	Find precise map location of 252.183.100.24
195.145.213.2	Find precise map location of 195.145.213.2

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