156.143.217 is a class C of IPs

Sample IPs from the class C 156.143.217

156.143.217.122	View precise location of 156.143.217.122 on the map!
156.143.217.255	View precise location of 156.143.217.255 on the map!
156.143.217.154	View precise location of 156.143.217.154 on the map!
156.143.217.229	View precise location of 156.143.217.229 on the map!
156.143.217.142	View precise location of 156.143.217.142 on the map!
156.143.217.68	View precise location of 156.143.217.68 on the map!
156.143.217.254	View precise location of 156.143.217.254 on the map!
156.143.217.33	View precise location of 156.143.217.33 on the map!
156.143.217.78	View precise location of 156.143.217.78 on the map!
156.143.217.194	View precise location of 156.143.217.194 on the map!
156.143.217.225	View precise location of 156.143.217.225 on the map!

10 Random IPs

24.253.141.109	Find precise map location of 24.253.141.109
205.219.107.60	Find precise map location of 205.219.107.60
131.96.68.150	Find precise map location of 131.96.68.150
122.13.200.189	Find precise map location of 122.13.200.189
44.255.215.100	Find precise map location of 44.255.215.100
181.113.210.226	Find precise map location of 181.113.210.226
207.39.203.236	Find precise map location of 207.39.203.236
154.155.6.27	Find precise map location of 154.155.6.27
165.168.77.188	Find precise map location of 165.168.77.188
14.171.238.245	Find precise map location of 14.171.238.245
120.143.29.90	Find precise map location of 120.143.29.90

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