251.16.157 is a class C of IPs

Sample IPs from the class C 251.16.157

251.16.157.51	View precise location of 251.16.157.51 on the map!
251.16.157.193	View precise location of 251.16.157.193 on the map!
251.16.157.182	View precise location of 251.16.157.182 on the map!
251.16.157.130	View precise location of 251.16.157.130 on the map!
251.16.157.135	View precise location of 251.16.157.135 on the map!
251.16.157.228	View precise location of 251.16.157.228 on the map!
251.16.157.88	View precise location of 251.16.157.88 on the map!
251.16.157.148	View precise location of 251.16.157.148 on the map!
251.16.157.66	View precise location of 251.16.157.66 on the map!
251.16.157.241	View precise location of 251.16.157.241 on the map!
251.16.157.94	View precise location of 251.16.157.94 on the map!

10 Random IPs

136.201.203.83	Find precise map location of 136.201.203.83
165.107.107.58	Find precise map location of 165.107.107.58
32.173.237.167	Find precise map location of 32.173.237.167
4.13.177.170	Find precise map location of 4.13.177.170
159.47.227.164	Find precise map location of 159.47.227.164
220.102.24.90	Find precise map location of 220.102.24.90
140.185.9.25	Find precise map location of 140.185.9.25
182.67.3.28	Find precise map location of 182.67.3.28
171.185.127.137	Find precise map location of 171.185.127.137
177.116.159.101	Find precise map location of 177.116.159.101
255.126.196.234	Find precise map location of 255.126.196.234

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