217.239.172 is a class C of IPs

Sample IPs from the class C 217.239.172

217.239.172.228	View precise location of 217.239.172.228 on the map!
217.239.172.206	View precise location of 217.239.172.206 on the map!
217.239.172.12	View precise location of 217.239.172.12 on the map!
217.239.172.66	View precise location of 217.239.172.66 on the map!
217.239.172.254	View precise location of 217.239.172.254 on the map!
217.239.172.160	View precise location of 217.239.172.160 on the map!
217.239.172.112	View precise location of 217.239.172.112 on the map!
217.239.172.6	View precise location of 217.239.172.6 on the map!
217.239.172.136	View precise location of 217.239.172.136 on the map!
217.239.172.44	View precise location of 217.239.172.44 on the map!
217.239.172.157	View precise location of 217.239.172.157 on the map!

10 Random IPs

127.31.208.223	Find precise map location of 127.31.208.223
187.2.79.202	Find precise map location of 187.2.79.202
110.123.144.237	Find precise map location of 110.123.144.237
140.145.174.189	Find precise map location of 140.145.174.189
24.159.216.8	Find precise map location of 24.159.216.8
29.185.212.153	Find precise map location of 29.185.212.153
219.182.110.139	Find precise map location of 219.182.110.139
6.187.67.191	Find precise map location of 6.187.67.191
152.104.44.12	Find precise map location of 152.104.44.12
94.189.230.242	Find precise map location of 94.189.230.242
175.106.30.92	Find precise map location of 175.106.30.92

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