143.38.21 is a class C of IPs

Sample IPs from the class C 143.38.21

143.38.21.209	View precise location of 143.38.21.209 on the map!
143.38.21.52	View precise location of 143.38.21.52 on the map!
143.38.21.253	View precise location of 143.38.21.253 on the map!
143.38.21.58	View precise location of 143.38.21.58 on the map!
143.38.21.198	View precise location of 143.38.21.198 on the map!
143.38.21.3	View precise location of 143.38.21.3 on the map!
143.38.21.8	View precise location of 143.38.21.8 on the map!
143.38.21.209	View precise location of 143.38.21.209 on the map!
143.38.21.23	View precise location of 143.38.21.23 on the map!
143.38.21.74	View precise location of 143.38.21.74 on the map!
143.38.21.90	View precise location of 143.38.21.90 on the map!

10 Random IPs

102.244.228.243	Find precise map location of 102.244.228.243
78.178.252.120	Find precise map location of 78.178.252.120
46.200.41.241	Find precise map location of 46.200.41.241
216.124.212.201	Find precise map location of 216.124.212.201
84.185.255.189	Find precise map location of 84.185.255.189
115.88.79.6	Find precise map location of 115.88.79.6
195.77.224.72	Find precise map location of 195.77.224.72
244.228.70.102	Find precise map location of 244.228.70.102
110.49.97.74	Find precise map location of 110.49.97.74
221.143.224.212	Find precise map location of 221.143.224.212
56.236.167.229	Find precise map location of 56.236.167.229

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