30.28.139 is a class C of IPs

Sample IPs from the class C 30.28.139

30.28.139.38	View precise location of 30.28.139.38 on the map!
30.28.139.87	View precise location of 30.28.139.87 on the map!
30.28.139.75	View precise location of 30.28.139.75 on the map!
30.28.139.124	View precise location of 30.28.139.124 on the map!
30.28.139.13	View precise location of 30.28.139.13 on the map!
30.28.139.140	View precise location of 30.28.139.140 on the map!
30.28.139.97	View precise location of 30.28.139.97 on the map!
30.28.139.138	View precise location of 30.28.139.138 on the map!
30.28.139.85	View precise location of 30.28.139.85 on the map!
30.28.139.224	View precise location of 30.28.139.224 on the map!
30.28.139.4	View precise location of 30.28.139.4 on the map!

10 Random IPs

203.18.253.59	Find precise map location of 203.18.253.59
217.106.43.145	Find precise map location of 217.106.43.145
171.73.162.30	Find precise map location of 171.73.162.30
96.222.229.69	Find precise map location of 96.222.229.69
2.130.139.233	Find precise map location of 2.130.139.233
37.182.212.217	Find precise map location of 37.182.212.217
50.218.135.143	Find precise map location of 50.218.135.143
106.75.8.16	Find precise map location of 106.75.8.16
224.125.113.188	Find precise map location of 224.125.113.188
247.147.76.32	Find precise map location of 247.147.76.32
105.239.195.63	Find precise map location of 105.239.195.63

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