172.223.28 is a class C of IPs

Sample IPs from the class C 172.223.28

172.223.28.9	View precise location of 172.223.28.9 on the map!
172.223.28.254	View precise location of 172.223.28.254 on the map!
172.223.28.202	View precise location of 172.223.28.202 on the map!
172.223.28.243	View precise location of 172.223.28.243 on the map!
172.223.28.237	View precise location of 172.223.28.237 on the map!
172.223.28.237	View precise location of 172.223.28.237 on the map!
172.223.28.146	View precise location of 172.223.28.146 on the map!
172.223.28.108	View precise location of 172.223.28.108 on the map!
172.223.28.36	View precise location of 172.223.28.36 on the map!
172.223.28.18	View precise location of 172.223.28.18 on the map!
172.223.28.120	View precise location of 172.223.28.120 on the map!

10 Random IPs

189.241.155.173	Find precise map location of 189.241.155.173
230.57.226.63	Find precise map location of 230.57.226.63
180.75.32.67	Find precise map location of 180.75.32.67
102.204.196.74	Find precise map location of 102.204.196.74
60.240.210.40	Find precise map location of 60.240.210.40
110.91.30.20	Find precise map location of 110.91.30.20
89.191.48.227	Find precise map location of 89.191.48.227
35.202.34.234	Find precise map location of 35.202.34.234
45.240.229.251	Find precise map location of 45.240.229.251
64.42.228.139	Find precise map location of 64.42.228.139
132.136.249.222	Find precise map location of 132.136.249.222

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