121.181.225 is a class C of IPs

Sample IPs from the class C 121.181.225

121.181.225.83	View precise location of 121.181.225.83 on the map!
121.181.225.86	View precise location of 121.181.225.86 on the map!
121.181.225.73	View precise location of 121.181.225.73 on the map!
121.181.225.41	View precise location of 121.181.225.41 on the map!
121.181.225.253	View precise location of 121.181.225.253 on the map!
121.181.225.224	View precise location of 121.181.225.224 on the map!
121.181.225.143	View precise location of 121.181.225.143 on the map!
121.181.225.111	View precise location of 121.181.225.111 on the map!
121.181.225.40	View precise location of 121.181.225.40 on the map!
121.181.225.205	View precise location of 121.181.225.205 on the map!
121.181.225.36	View precise location of 121.181.225.36 on the map!

10 Random IPs

17.228.101.167	Find precise map location of 17.228.101.167
67.186.141.150	Find precise map location of 67.186.141.150
50.14.82.89	Find precise map location of 50.14.82.89
131.79.193.122	Find precise map location of 131.79.193.122
126.253.73.229	Find precise map location of 126.253.73.229
48.216.102.120	Find precise map location of 48.216.102.120
162.99.19.61	Find precise map location of 162.99.19.61
72.65.74.66	Find precise map location of 72.65.74.66
25.171.115.229	Find precise map location of 25.171.115.229
78.248.166.102	Find precise map location of 78.248.166.102
38.119.71.154	Find precise map location of 38.119.71.154

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