40.190.21 is a class C of IPs

Sample IPs from the class C 40.190.21

40.190.21.119	View precise location of 40.190.21.119 on the map!
40.190.21.209	View precise location of 40.190.21.209 on the map!
40.190.21.209	View precise location of 40.190.21.209 on the map!
40.190.21.46	View precise location of 40.190.21.46 on the map!
40.190.21.130	View precise location of 40.190.21.130 on the map!
40.190.21.199	View precise location of 40.190.21.199 on the map!
40.190.21.234	View precise location of 40.190.21.234 on the map!
40.190.21.68	View precise location of 40.190.21.68 on the map!
40.190.21.51	View precise location of 40.190.21.51 on the map!
40.190.21.255	View precise location of 40.190.21.255 on the map!
40.190.21.147	View precise location of 40.190.21.147 on the map!

10 Random IPs

121.16.159.200	Find precise map location of 121.16.159.200
224.45.18.54	Find precise map location of 224.45.18.54
26.108.50.186	Find precise map location of 26.108.50.186
97.155.4.23	Find precise map location of 97.155.4.23
187.249.75.127	Find precise map location of 187.249.75.127
82.56.94.185	Find precise map location of 82.56.94.185
88.219.187.191	Find precise map location of 88.219.187.191
89.38.47.254	Find precise map location of 89.38.47.254
92.107.235.33	Find precise map location of 92.107.235.33
184.96.88.218	Find precise map location of 184.96.88.218
18.119.154.161	Find precise map location of 18.119.154.161

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