13.58.23 is a class C of IPs

Sample IPs from the class C 13.58.23

13.58.23.120	View precise location of 13.58.23.120 on the map!
13.58.23.143	View precise location of 13.58.23.143 on the map!
13.58.23.89	View precise location of 13.58.23.89 on the map!
13.58.23.105	View precise location of 13.58.23.105 on the map!
13.58.23.215	View precise location of 13.58.23.215 on the map!
13.58.23.117	View precise location of 13.58.23.117 on the map!
13.58.23.250	View precise location of 13.58.23.250 on the map!
13.58.23.90	View precise location of 13.58.23.90 on the map!
13.58.23.166	View precise location of 13.58.23.166 on the map!
13.58.23.241	View precise location of 13.58.23.241 on the map!
13.58.23.7	View precise location of 13.58.23.7 on the map!

10 Random IPs

11.75.197.105	Find precise map location of 11.75.197.105
150.18.177.112	Find precise map location of 150.18.177.112
49.183.145.227	Find precise map location of 49.183.145.227
247.62.104.253	Find precise map location of 247.62.104.253
191.203.201.130	Find precise map location of 191.203.201.130
142.138.129.251	Find precise map location of 142.138.129.251
234.93.19.233	Find precise map location of 234.93.19.233
251.18.230.133	Find precise map location of 251.18.230.133
186.116.24.242	Find precise map location of 186.116.24.242
252.83.104.57	Find precise map location of 252.83.104.57
131.4.190.32	Find precise map location of 131.4.190.32

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