28.129.220 is a class C of IPs

Sample IPs from the class C 28.129.220

28.129.220.35	View precise location of 28.129.220.35 on the map!
28.129.220.166	View precise location of 28.129.220.166 on the map!
28.129.220.47	View precise location of 28.129.220.47 on the map!
28.129.220.179	View precise location of 28.129.220.179 on the map!
28.129.220.221	View precise location of 28.129.220.221 on the map!
28.129.220.124	View precise location of 28.129.220.124 on the map!
28.129.220.21	View precise location of 28.129.220.21 on the map!
28.129.220.39	View precise location of 28.129.220.39 on the map!
28.129.220.224	View precise location of 28.129.220.224 on the map!
28.129.220.206	View precise location of 28.129.220.206 on the map!
28.129.220.21	View precise location of 28.129.220.21 on the map!

10 Random IPs

193.90.157.196	Find precise map location of 193.90.157.196
126.142.200.81	Find precise map location of 126.142.200.81
14.176.240.226	Find precise map location of 14.176.240.226
30.60.198.211	Find precise map location of 30.60.198.211
144.215.149.36	Find precise map location of 144.215.149.36
184.205.198.180	Find precise map location of 184.205.198.180
252.97.224.71	Find precise map location of 252.97.224.71
254.215.169.106	Find precise map location of 254.215.169.106
19.143.84.4	Find precise map location of 19.143.84.4
159.60.223.228	Find precise map location of 159.60.223.228
148.39.96.43	Find precise map location of 148.39.96.43

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