172.228.12 is a class C of IPs

Sample IPs from the class C 172.228.12

172.228.12.47	View precise location of 172.228.12.47 on the map!
172.228.12.214	View precise location of 172.228.12.214 on the map!
172.228.12.176	View precise location of 172.228.12.176 on the map!
172.228.12.230	View precise location of 172.228.12.230 on the map!
172.228.12.8	View precise location of 172.228.12.8 on the map!
172.228.12.190	View precise location of 172.228.12.190 on the map!
172.228.12.141	View precise location of 172.228.12.141 on the map!
172.228.12.37	View precise location of 172.228.12.37 on the map!
172.228.12.96	View precise location of 172.228.12.96 on the map!
172.228.12.148	View precise location of 172.228.12.148 on the map!
172.228.12.109	View precise location of 172.228.12.109 on the map!

10 Random IPs

41.137.38.237	Find precise map location of 41.137.38.237
150.245.223.173	Find precise map location of 150.245.223.173
156.21.104.181	Find precise map location of 156.21.104.181
173.242.226.115	Find precise map location of 173.242.226.115
132.242.204.16	Find precise map location of 132.242.204.16
57.65.136.175	Find precise map location of 57.65.136.175
167.230.239.245	Find precise map location of 167.230.239.245
153.184.35.52	Find precise map location of 153.184.35.52
242.48.56.72	Find precise map location of 242.48.56.72
60.111.40.251	Find precise map location of 60.111.40.251
83.159.158.141	Find precise map location of 83.159.158.141

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