57.87.128 is a class C of IPs

Sample IPs from the class C 57.87.128

57.87.128.103	View precise location of 57.87.128.103 on the map!
57.87.128.27	View precise location of 57.87.128.27 on the map!
57.87.128.216	View precise location of 57.87.128.216 on the map!
57.87.128.8	View precise location of 57.87.128.8 on the map!
57.87.128.251	View precise location of 57.87.128.251 on the map!
57.87.128.12	View precise location of 57.87.128.12 on the map!
57.87.128.95	View precise location of 57.87.128.95 on the map!
57.87.128.18	View precise location of 57.87.128.18 on the map!
57.87.128.125	View precise location of 57.87.128.125 on the map!
57.87.128.126	View precise location of 57.87.128.126 on the map!
57.87.128.49	View precise location of 57.87.128.49 on the map!

10 Random IPs

200.117.75.84	Find precise map location of 200.117.75.84
254.56.129.101	Find precise map location of 254.56.129.101
64.28.130.250	Find precise map location of 64.28.130.250
91.43.146.246	Find precise map location of 91.43.146.246
215.123.96.64	Find precise map location of 215.123.96.64
148.56.112.206	Find precise map location of 148.56.112.206
238.42.91.87	Find precise map location of 238.42.91.87
216.3.87.126	Find precise map location of 216.3.87.126
63.43.134.136	Find precise map location of 63.43.134.136
105.1.102.101	Find precise map location of 105.1.102.101
144.238.115.159	Find precise map location of 144.238.115.159

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