51.157.213 is a class C of IPs

Sample IPs from the class C 51.157.213

51.157.213.118	View precise location of 51.157.213.118 on the map!
51.157.213.209	View precise location of 51.157.213.209 on the map!
51.157.213.13	View precise location of 51.157.213.13 on the map!
51.157.213.86	View precise location of 51.157.213.86 on the map!
51.157.213.188	View precise location of 51.157.213.188 on the map!
51.157.213.193	View precise location of 51.157.213.193 on the map!
51.157.213.89	View precise location of 51.157.213.89 on the map!
51.157.213.93	View precise location of 51.157.213.93 on the map!
51.157.213.244	View precise location of 51.157.213.244 on the map!
51.157.213.78	View precise location of 51.157.213.78 on the map!
51.157.213.229	View precise location of 51.157.213.229 on the map!

10 Random IPs

200.56.35.12	Find precise map location of 200.56.35.12
47.115.236.238	Find precise map location of 47.115.236.238
70.238.186.27	Find precise map location of 70.238.186.27
60.229.125.157	Find precise map location of 60.229.125.157
13.13.12.97	Find precise map location of 13.13.12.97
243.33.146.210	Find precise map location of 243.33.146.210
131.238.198.95	Find precise map location of 131.238.198.95
46.9.110.122	Find precise map location of 46.9.110.122
167.241.206.158	Find precise map location of 167.241.206.158
254.184.216.36	Find precise map location of 254.184.216.36
119.147.81.214	Find precise map location of 119.147.81.214

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