121.240.174 is a class C of IPs

Sample IPs from the class C 121.240.174

121.240.174.80	View precise location of 121.240.174.80 on the map!
121.240.174.105	View precise location of 121.240.174.105 on the map!
121.240.174.52	View precise location of 121.240.174.52 on the map!
121.240.174.152	View precise location of 121.240.174.152 on the map!
121.240.174.134	View precise location of 121.240.174.134 on the map!
121.240.174.84	View precise location of 121.240.174.84 on the map!
121.240.174.90	View precise location of 121.240.174.90 on the map!
121.240.174.168	View precise location of 121.240.174.168 on the map!
121.240.174.51	View precise location of 121.240.174.51 on the map!
121.240.174.30	View precise location of 121.240.174.30 on the map!
121.240.174.140	View precise location of 121.240.174.140 on the map!

10 Random IPs

187.236.26.195	Find precise map location of 187.236.26.195
149.225.179.197	Find precise map location of 149.225.179.197
247.106.170.243	Find precise map location of 247.106.170.243
210.199.44.27	Find precise map location of 210.199.44.27
134.39.222.34	Find precise map location of 134.39.222.34
149.200.236.57	Find precise map location of 149.200.236.57
165.73.152.182	Find precise map location of 165.73.152.182
204.87.117.42	Find precise map location of 204.87.117.42
167.78.186.29	Find precise map location of 167.78.186.29
18.209.49.47	Find precise map location of 18.209.49.47
25.50.30.93	Find precise map location of 25.50.30.93

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