51.77.56 is a class C of IPs

Sample IPs from the class C 51.77.56

51.77.56.55	View precise location of 51.77.56.55 on the map!
51.77.56.135	View precise location of 51.77.56.135 on the map!
51.77.56.46	View precise location of 51.77.56.46 on the map!
51.77.56.121	View precise location of 51.77.56.121 on the map!
51.77.56.65	View precise location of 51.77.56.65 on the map!
51.77.56.179	View precise location of 51.77.56.179 on the map!
51.77.56.166	View precise location of 51.77.56.166 on the map!
51.77.56.7	View precise location of 51.77.56.7 on the map!
51.77.56.6	View precise location of 51.77.56.6 on the map!
51.77.56.95	View precise location of 51.77.56.95 on the map!
51.77.56.93	View precise location of 51.77.56.93 on the map!

10 Random IPs

179.145.10.217	Find precise map location of 179.145.10.217
96.94.239.143	Find precise map location of 96.94.239.143
49.90.111.203	Find precise map location of 49.90.111.203
211.115.186.49	Find precise map location of 211.115.186.49
241.16.73.4	Find precise map location of 241.16.73.4
239.56.118.151	Find precise map location of 239.56.118.151
116.20.48.119	Find precise map location of 116.20.48.119
90.92.237.109	Find precise map location of 90.92.237.109
221.172.221.219	Find precise map location of 221.172.221.219
126.109.119.183	Find precise map location of 126.109.119.183
155.22.39.79	Find precise map location of 155.22.39.79

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