163.213.251 is a class C of IPs

Sample IPs from the class C 163.213.251

163.213.251.75	View precise location of 163.213.251.75 on the map!
163.213.251.185	View precise location of 163.213.251.185 on the map!
163.213.251.234	View precise location of 163.213.251.234 on the map!
163.213.251.49	View precise location of 163.213.251.49 on the map!
163.213.251.167	View precise location of 163.213.251.167 on the map!
163.213.251.244	View precise location of 163.213.251.244 on the map!
163.213.251.37	View precise location of 163.213.251.37 on the map!
163.213.251.244	View precise location of 163.213.251.244 on the map!
163.213.251.163	View precise location of 163.213.251.163 on the map!
163.213.251.80	View precise location of 163.213.251.80 on the map!
163.213.251.238	View precise location of 163.213.251.238 on the map!

10 Random IPs

114.58.176.208	Find precise map location of 114.58.176.208
74.166.193.202	Find precise map location of 74.166.193.202
243.202.54.215	Find precise map location of 243.202.54.215
147.165.150.85	Find precise map location of 147.165.150.85
169.146.180.112	Find precise map location of 169.146.180.112
128.11.249.22	Find precise map location of 128.11.249.22
143.178.199.134	Find precise map location of 143.178.199.134
130.61.28.166	Find precise map location of 130.61.28.166
112.38.116.88	Find precise map location of 112.38.116.88
97.77.180.185	Find precise map location of 97.77.180.185
15.18.46.235	Find precise map location of 15.18.46.235

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