57.90.51 is a class C of IPs

Sample IPs from the class C 57.90.51

57.90.51.134	View precise location of 57.90.51.134 on the map!
57.90.51.129	View precise location of 57.90.51.129 on the map!
57.90.51.200	View precise location of 57.90.51.200 on the map!
57.90.51.194	View precise location of 57.90.51.194 on the map!
57.90.51.86	View precise location of 57.90.51.86 on the map!
57.90.51.182	View precise location of 57.90.51.182 on the map!
57.90.51.127	View precise location of 57.90.51.127 on the map!
57.90.51.8	View precise location of 57.90.51.8 on the map!
57.90.51.41	View precise location of 57.90.51.41 on the map!
57.90.51.117	View precise location of 57.90.51.117 on the map!
57.90.51.197	View precise location of 57.90.51.197 on the map!

10 Random IPs

165.117.156.177	Find precise map location of 165.117.156.177
81.234.222.147	Find precise map location of 81.234.222.147
216.216.113.52	Find precise map location of 216.216.113.52
121.18.149.140	Find precise map location of 121.18.149.140
116.224.231.218	Find precise map location of 116.224.231.218
5.200.212.167	Find precise map location of 5.200.212.167
31.252.166.134	Find precise map location of 31.252.166.134
209.212.102.141	Find precise map location of 209.212.102.141
119.252.50.153	Find precise map location of 119.252.50.153
113.164.134.235	Find precise map location of 113.164.134.235
41.159.209.150	Find precise map location of 41.159.209.150

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