231.108.51 is a class C of IPs

Sample IPs from the class C 231.108.51

231.108.51.171	View precise location of 231.108.51.171 on the map!
231.108.51.252	View precise location of 231.108.51.252 on the map!
231.108.51.223	View precise location of 231.108.51.223 on the map!
231.108.51.155	View precise location of 231.108.51.155 on the map!
231.108.51.111	View precise location of 231.108.51.111 on the map!
231.108.51.169	View precise location of 231.108.51.169 on the map!
231.108.51.5	View precise location of 231.108.51.5 on the map!
231.108.51.241	View precise location of 231.108.51.241 on the map!
231.108.51.220	View precise location of 231.108.51.220 on the map!
231.108.51.6	View precise location of 231.108.51.6 on the map!
231.108.51.113	View precise location of 231.108.51.113 on the map!

10 Random IPs

87.152.9.11	Find precise map location of 87.152.9.11
202.162.82.41	Find precise map location of 202.162.82.41
202.241.100.10	Find precise map location of 202.241.100.10
103.237.38.27	Find precise map location of 103.237.38.27
37.48.159.152	Find precise map location of 37.48.159.152
111.192.26.149	Find precise map location of 111.192.26.149
219.97.78.185	Find precise map location of 219.97.78.185
116.56.149.104	Find precise map location of 116.56.149.104
228.44.165.72	Find precise map location of 228.44.165.72
248.89.6.64	Find precise map location of 248.89.6.64
141.254.41.104	Find precise map location of 141.254.41.104

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