51.45.155 is a class C of IPs

Sample IPs from the class C 51.45.155

51.45.155.114	View precise location of 51.45.155.114 on the map!
51.45.155.130	View precise location of 51.45.155.130 on the map!
51.45.155.116	View precise location of 51.45.155.116 on the map!
51.45.155.134	View precise location of 51.45.155.134 on the map!
51.45.155.172	View precise location of 51.45.155.172 on the map!
51.45.155.90	View precise location of 51.45.155.90 on the map!
51.45.155.10	View precise location of 51.45.155.10 on the map!
51.45.155.205	View precise location of 51.45.155.205 on the map!
51.45.155.79	View precise location of 51.45.155.79 on the map!
51.45.155.112	View precise location of 51.45.155.112 on the map!
51.45.155.230	View precise location of 51.45.155.230 on the map!

10 Random IPs

131.74.107.31	Find precise map location of 131.74.107.31
123.73.30.130	Find precise map location of 123.73.30.130
103.223.233.47	Find precise map location of 103.223.233.47
159.39.67.180	Find precise map location of 159.39.67.180
226.52.87.185	Find precise map location of 226.52.87.185
132.89.253.6	Find precise map location of 132.89.253.6
245.113.6.17	Find precise map location of 245.113.6.17
17.143.248.137	Find precise map location of 17.143.248.137
167.142.174.67	Find precise map location of 167.142.174.67
109.34.60.171	Find precise map location of 109.34.60.171
54.18.254.143	Find precise map location of 54.18.254.143

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