58.51 is a class B of IPs

Sample IPs from the class B 58.51

58.51.161.243	View precise location of 58.51.161.243 on the map!
58.51.27.59	View precise location of 58.51.27.59 on the map!
58.51.142.69	View precise location of 58.51.142.69 on the map!
58.51.156.35	View precise location of 58.51.156.35 on the map!
58.51.169.105	View precise location of 58.51.169.105 on the map!
58.51.218.138	View precise location of 58.51.218.138 on the map!
58.51.250.243	View precise location of 58.51.250.243 on the map!
58.51.203.60	View precise location of 58.51.203.60 on the map!
58.51.131.197	View precise location of 58.51.131.197 on the map!
58.51.101.162	View precise location of 58.51.101.162 on the map!
58.51.140.90	View precise location of 58.51.140.90 on the map!

10 Random IPs

117.237.49.124	Find precise map location of 117.237.49.124
40.96.206.155	Find precise map location of 40.96.206.155
162.27.130.246	Find precise map location of 162.27.130.246
148.141.156.213	Find precise map location of 148.141.156.213
131.81.66.136	Find precise map location of 131.81.66.136
155.161.167.186	Find precise map location of 155.161.167.186
165.68.247.125	Find precise map location of 165.68.247.125
179.173.131.93	Find precise map location of 179.173.131.93
254.240.154.202	Find precise map location of 254.240.154.202
63.155.161.8	Find precise map location of 63.155.161.8
235.105.228.87	Find precise map location of 235.105.228.87

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