119.99.121 is a class C of IPs

Sample IPs from the class C 119.99.121

119.99.121.114	View precise location of 119.99.121.114 on the map!
119.99.121.5	View precise location of 119.99.121.5 on the map!
119.99.121.204	View precise location of 119.99.121.204 on the map!
119.99.121.185	View precise location of 119.99.121.185 on the map!
119.99.121.231	View precise location of 119.99.121.231 on the map!
119.99.121.194	View precise location of 119.99.121.194 on the map!
119.99.121.52	View precise location of 119.99.121.52 on the map!
119.99.121.3	View precise location of 119.99.121.3 on the map!
119.99.121.135	View precise location of 119.99.121.135 on the map!
119.99.121.4	View precise location of 119.99.121.4 on the map!
119.99.121.119	View precise location of 119.99.121.119 on the map!

10 Random IPs

253.165.56.49	Find precise map location of 253.165.56.49
128.51.72.198	Find precise map location of 128.51.72.198
215.64.240.253	Find precise map location of 215.64.240.253
219.227.34.134	Find precise map location of 219.227.34.134
11.242.120.239	Find precise map location of 11.242.120.239
137.225.62.105	Find precise map location of 137.225.62.105
43.143.137.64	Find precise map location of 43.143.137.64
192.94.109.31	Find precise map location of 192.94.109.31
176.57.116.231	Find precise map location of 176.57.116.231
232.231.125.165	Find precise map location of 232.231.125.165
222.100.243.244	Find precise map location of 222.100.243.244

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