152.21.90 is a class C of IPs

Sample IPs from the class C 152.21.90

152.21.90.77	View precise location of 152.21.90.77 on the map!
152.21.90.79	View precise location of 152.21.90.79 on the map!
152.21.90.83	View precise location of 152.21.90.83 on the map!
152.21.90.169	View precise location of 152.21.90.169 on the map!
152.21.90.74	View precise location of 152.21.90.74 on the map!
152.21.90.56	View precise location of 152.21.90.56 on the map!
152.21.90.7	View precise location of 152.21.90.7 on the map!
152.21.90.227	View precise location of 152.21.90.227 on the map!
152.21.90.89	View precise location of 152.21.90.89 on the map!
152.21.90.6	View precise location of 152.21.90.6 on the map!
152.21.90.35	View precise location of 152.21.90.35 on the map!

10 Random IPs

2.53.199.6	Find precise map location of 2.53.199.6
80.51.4.180	Find precise map location of 80.51.4.180
62.131.132.215	Find precise map location of 62.131.132.215
136.179.57.231	Find precise map location of 136.179.57.231
248.140.55.238	Find precise map location of 248.140.55.238
219.124.15.198	Find precise map location of 219.124.15.198
77.190.115.69	Find precise map location of 77.190.115.69
90.9.36.118	Find precise map location of 90.9.36.118
196.254.37.68	Find precise map location of 196.254.37.68
11.150.46.86	Find precise map location of 11.150.46.86
116.213.107.194	Find precise map location of 116.213.107.194

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