51.129.45 is a class C of IPs

Sample IPs from the class C 51.129.45

51.129.45.100	View precise location of 51.129.45.100 on the map!
51.129.45.111	View precise location of 51.129.45.111 on the map!
51.129.45.210	View precise location of 51.129.45.210 on the map!
51.129.45.3	View precise location of 51.129.45.3 on the map!
51.129.45.175	View precise location of 51.129.45.175 on the map!
51.129.45.74	View precise location of 51.129.45.74 on the map!
51.129.45.37	View precise location of 51.129.45.37 on the map!
51.129.45.129	View precise location of 51.129.45.129 on the map!
51.129.45.93	View precise location of 51.129.45.93 on the map!
51.129.45.88	View precise location of 51.129.45.88 on the map!
51.129.45.12	View precise location of 51.129.45.12 on the map!

10 Random IPs

237.202.31.230	Find precise map location of 237.202.31.230
171.45.213.238	Find precise map location of 171.45.213.238
22.3.251.23	Find precise map location of 22.3.251.23
32.45.129.96	Find precise map location of 32.45.129.96
127.119.121.143	Find precise map location of 127.119.121.143
66.82.1.55	Find precise map location of 66.82.1.55
166.165.37.38	Find precise map location of 166.165.37.38
123.191.163.74	Find precise map location of 123.191.163.74
220.193.205.226	Find precise map location of 220.193.205.226
212.243.211.194	Find precise map location of 212.243.211.194
213.80.5.188	Find precise map location of 213.80.5.188

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