58.143.4 is a class C of IPs

Sample IPs from the class C 58.143.4

58.143.4.102	View precise location of 58.143.4.102 on the map!
58.143.4.69	View precise location of 58.143.4.69 on the map!
58.143.4.206	View precise location of 58.143.4.206 on the map!
58.143.4.76	View precise location of 58.143.4.76 on the map!
58.143.4.73	View precise location of 58.143.4.73 on the map!
58.143.4.179	View precise location of 58.143.4.179 on the map!
58.143.4.175	View precise location of 58.143.4.175 on the map!
58.143.4.197	View precise location of 58.143.4.197 on the map!
58.143.4.203	View precise location of 58.143.4.203 on the map!
58.143.4.101	View precise location of 58.143.4.101 on the map!
58.143.4.49	View precise location of 58.143.4.49 on the map!

10 Random IPs

166.163.97.113	Find precise map location of 166.163.97.113
159.253.57.154	Find precise map location of 159.253.57.154
134.250.182.169	Find precise map location of 134.250.182.169
117.78.104.250	Find precise map location of 117.78.104.250
245.36.170.44	Find precise map location of 245.36.170.44
91.152.110.20	Find precise map location of 91.152.110.20
144.84.168.167	Find precise map location of 144.84.168.167
207.88.137.77	Find precise map location of 207.88.137.77
170.4.221.30	Find precise map location of 170.4.221.30
43.2.121.52	Find precise map location of 43.2.121.52
249.66.235.73	Find precise map location of 249.66.235.73

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