151.216.13 is a class C of IPs

Sample IPs from the class C 151.216.13

151.216.13.3	View precise location of 151.216.13.3 on the map!
151.216.13.69	View precise location of 151.216.13.69 on the map!
151.216.13.227	View precise location of 151.216.13.227 on the map!
151.216.13.31	View precise location of 151.216.13.31 on the map!
151.216.13.64	View precise location of 151.216.13.64 on the map!
151.216.13.168	View precise location of 151.216.13.168 on the map!
151.216.13.189	View precise location of 151.216.13.189 on the map!
151.216.13.41	View precise location of 151.216.13.41 on the map!
151.216.13.118	View precise location of 151.216.13.118 on the map!
151.216.13.123	View precise location of 151.216.13.123 on the map!
151.216.13.104	View precise location of 151.216.13.104 on the map!

10 Random IPs

223.155.21.131	Find precise map location of 223.155.21.131
93.35.114.117	Find precise map location of 93.35.114.117
82.174.186.6	Find precise map location of 82.174.186.6
222.21.20.241	Find precise map location of 222.21.20.241
66.128.24.164	Find precise map location of 66.128.24.164
48.23.227.43	Find precise map location of 48.23.227.43
56.43.64.33	Find precise map location of 56.43.64.33
173.253.125.104	Find precise map location of 173.253.125.104
55.244.75.215	Find precise map location of 55.244.75.215
241.214.10.107	Find precise map location of 241.214.10.107
250.142.62.27	Find precise map location of 250.142.62.27

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