251.51.2 is a class C of IPs

Sample IPs from the class C 251.51.2

251.51.2.161	View precise location of 251.51.2.161 on the map!
251.51.2.167	View precise location of 251.51.2.167 on the map!
251.51.2.210	View precise location of 251.51.2.210 on the map!
251.51.2.128	View precise location of 251.51.2.128 on the map!
251.51.2.199	View precise location of 251.51.2.199 on the map!
251.51.2.192	View precise location of 251.51.2.192 on the map!
251.51.2.56	View precise location of 251.51.2.56 on the map!
251.51.2.67	View precise location of 251.51.2.67 on the map!
251.51.2.13	View precise location of 251.51.2.13 on the map!
251.51.2.135	View precise location of 251.51.2.135 on the map!
251.51.2.88	View precise location of 251.51.2.88 on the map!

10 Random IPs

17.143.114.149	Find precise map location of 17.143.114.149
121.239.104.82	Find precise map location of 121.239.104.82
182.228.210.124	Find precise map location of 182.228.210.124
12.52.126.111	Find precise map location of 12.52.126.111
103.56.201.224	Find precise map location of 103.56.201.224
75.133.108.137	Find precise map location of 75.133.108.137
171.53.161.220	Find precise map location of 171.53.161.220
168.195.245.126	Find precise map location of 168.195.245.126
64.10.59.229	Find precise map location of 64.10.59.229
30.37.34.189	Find precise map location of 30.37.34.189
51.20.47.205	Find precise map location of 51.20.47.205

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