254.51.139 is a class C of IPs

Sample IPs from the class C 254.51.139

254.51.139.30	View precise location of 254.51.139.30 on the map!
254.51.139.233	View precise location of 254.51.139.233 on the map!
254.51.139.12	View precise location of 254.51.139.12 on the map!
254.51.139.19	View precise location of 254.51.139.19 on the map!
254.51.139.142	View precise location of 254.51.139.142 on the map!
254.51.139.50	View precise location of 254.51.139.50 on the map!
254.51.139.216	View precise location of 254.51.139.216 on the map!
254.51.139.233	View precise location of 254.51.139.233 on the map!
254.51.139.61	View precise location of 254.51.139.61 on the map!
254.51.139.88	View precise location of 254.51.139.88 on the map!
254.51.139.251	View precise location of 254.51.139.251 on the map!

10 Random IPs

187.116.81.72	Find precise map location of 187.116.81.72
79.117.87.103	Find precise map location of 79.117.87.103
110.144.145.199	Find precise map location of 110.144.145.199
173.100.240.84	Find precise map location of 173.100.240.84
45.120.13.10	Find precise map location of 45.120.13.10
108.31.226.115	Find precise map location of 108.31.226.115
105.123.85.200	Find precise map location of 105.123.85.200
226.103.254.113	Find precise map location of 226.103.254.113
173.141.216.67	Find precise map location of 173.141.216.67
46.73.38.160	Find precise map location of 46.73.38.160
73.31.65.51	Find precise map location of 73.31.65.51

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