212.57.41 is a class C of IPs

Sample IPs from the class C 212.57.41

212.57.41.176	View precise location of 212.57.41.176 on the map!
212.57.41.66	View precise location of 212.57.41.66 on the map!
212.57.41.154	View precise location of 212.57.41.154 on the map!
212.57.41.89	View precise location of 212.57.41.89 on the map!
212.57.41.75	View precise location of 212.57.41.75 on the map!
212.57.41.134	View precise location of 212.57.41.134 on the map!
212.57.41.239	View precise location of 212.57.41.239 on the map!
212.57.41.25	View precise location of 212.57.41.25 on the map!
212.57.41.183	View precise location of 212.57.41.183 on the map!
212.57.41.43	View precise location of 212.57.41.43 on the map!
212.57.41.54	View precise location of 212.57.41.54 on the map!

10 Random IPs

84.66.100.179	Find precise map location of 84.66.100.179
9.29.56.89	Find precise map location of 9.29.56.89
239.144.37.215	Find precise map location of 239.144.37.215
198.212.218.28	Find precise map location of 198.212.218.28
38.163.128.96	Find precise map location of 38.163.128.96
88.54.195.65	Find precise map location of 88.54.195.65
115.88.105.147	Find precise map location of 115.88.105.147
167.173.83.111	Find precise map location of 167.173.83.111
125.85.37.75	Find precise map location of 125.85.37.75
120.249.209.59	Find precise map location of 120.249.209.59
248.21.134.245	Find precise map location of 248.21.134.245

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