28.223.215 is a class C of IPs

Sample IPs from the class C 28.223.215

28.223.215.12	View precise location of 28.223.215.12 on the map!
28.223.215.20	View precise location of 28.223.215.20 on the map!
28.223.215.141	View precise location of 28.223.215.141 on the map!
28.223.215.148	View precise location of 28.223.215.148 on the map!
28.223.215.36	View precise location of 28.223.215.36 on the map!
28.223.215.25	View precise location of 28.223.215.25 on the map!
28.223.215.190	View precise location of 28.223.215.190 on the map!
28.223.215.59	View precise location of 28.223.215.59 on the map!
28.223.215.48	View precise location of 28.223.215.48 on the map!
28.223.215.67	View precise location of 28.223.215.67 on the map!
28.223.215.140	View precise location of 28.223.215.140 on the map!

10 Random IPs

115.82.48.178	Find precise map location of 115.82.48.178
52.114.109.181	Find precise map location of 52.114.109.181
154.123.78.211	Find precise map location of 154.123.78.211
221.204.179.57	Find precise map location of 221.204.179.57
255.214.210.222	Find precise map location of 255.214.210.222
159.17.183.70	Find precise map location of 159.17.183.70
105.145.251.79	Find precise map location of 105.145.251.79
137.178.181.69	Find precise map location of 137.178.181.69
195.6.196.199	Find precise map location of 195.6.196.199
46.104.20.33	Find precise map location of 46.104.20.33
34.241.173.1	Find precise map location of 34.241.173.1

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