212.57.112 is a class C of IPs

Sample IPs from the class C 212.57.112

212.57.112.87	View precise location of 212.57.112.87 on the map!
212.57.112.20	View precise location of 212.57.112.20 on the map!
212.57.112.154	View precise location of 212.57.112.154 on the map!
212.57.112.32	View precise location of 212.57.112.32 on the map!
212.57.112.142	View precise location of 212.57.112.142 on the map!
212.57.112.25	View precise location of 212.57.112.25 on the map!
212.57.112.73	View precise location of 212.57.112.73 on the map!
212.57.112.110	View precise location of 212.57.112.110 on the map!
212.57.112.77	View precise location of 212.57.112.77 on the map!
212.57.112.133	View precise location of 212.57.112.133 on the map!
212.57.112.123	View precise location of 212.57.112.123 on the map!

10 Random IPs

32.137.203.213	Find precise map location of 32.137.203.213
12.250.152.227	Find precise map location of 12.250.152.227
134.67.252.31	Find precise map location of 134.67.252.31
81.216.179.129	Find precise map location of 81.216.179.129
227.147.65.51	Find precise map location of 227.147.65.51
5.34.5.76	Find precise map location of 5.34.5.76
219.51.95.255	Find precise map location of 219.51.95.255
140.186.39.51	Find precise map location of 140.186.39.51
117.131.113.243	Find precise map location of 117.131.113.243
41.67.10.206	Find precise map location of 41.67.10.206
153.209.118.139	Find precise map location of 153.209.118.139

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