121.68.148 is a class C of IPs

Sample IPs from the class C 121.68.148

121.68.148.99	View precise location of 121.68.148.99 on the map!
121.68.148.253	View precise location of 121.68.148.253 on the map!
121.68.148.22	View precise location of 121.68.148.22 on the map!
121.68.148.70	View precise location of 121.68.148.70 on the map!
121.68.148.32	View precise location of 121.68.148.32 on the map!
121.68.148.47	View precise location of 121.68.148.47 on the map!
121.68.148.49	View precise location of 121.68.148.49 on the map!
121.68.148.62	View precise location of 121.68.148.62 on the map!
121.68.148.60	View precise location of 121.68.148.60 on the map!
121.68.148.204	View precise location of 121.68.148.204 on the map!
121.68.148.239	View precise location of 121.68.148.239 on the map!

10 Random IPs

196.204.68.59	Find precise map location of 196.204.68.59
113.14.116.112	Find precise map location of 113.14.116.112
19.103.85.154	Find precise map location of 19.103.85.154
48.82.15.173	Find precise map location of 48.82.15.173
41.244.58.234	Find precise map location of 41.244.58.234
52.151.186.234	Find precise map location of 52.151.186.234
112.106.171.137	Find precise map location of 112.106.171.137
96.227.87.98	Find precise map location of 96.227.87.98
110.79.108.161	Find precise map location of 110.79.108.161
150.87.170.28	Find precise map location of 150.87.170.28
3.171.115.35	Find precise map location of 3.171.115.35

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