150.15.21 is a class C of IPs

Sample IPs from the class C 150.15.21

150.15.21.159	View precise location of 150.15.21.159 on the map!
150.15.21.149	View precise location of 150.15.21.149 on the map!
150.15.21.96	View precise location of 150.15.21.96 on the map!
150.15.21.237	View precise location of 150.15.21.237 on the map!
150.15.21.29	View precise location of 150.15.21.29 on the map!
150.15.21.25	View precise location of 150.15.21.25 on the map!
150.15.21.92	View precise location of 150.15.21.92 on the map!
150.15.21.89	View precise location of 150.15.21.89 on the map!
150.15.21.220	View precise location of 150.15.21.220 on the map!
150.15.21.39	View precise location of 150.15.21.39 on the map!
150.15.21.178	View precise location of 150.15.21.178 on the map!

10 Random IPs

10.57.245.169	Find precise map location of 10.57.245.169
167.109.241.157	Find precise map location of 167.109.241.157
238.61.220.48	Find precise map location of 238.61.220.48
92.111.122.72	Find precise map location of 92.111.122.72
167.164.34.62	Find precise map location of 167.164.34.62
13.152.44.214	Find precise map location of 13.152.44.214
203.103.35.51	Find precise map location of 203.103.35.51
96.144.11.103	Find precise map location of 96.144.11.103
205.103.102.191	Find precise map location of 205.103.102.191
199.101.132.61	Find precise map location of 199.101.132.61
25.148.148.101	Find precise map location of 25.148.148.101

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