30.28.188 is a class C of IPs

Sample IPs from the class C 30.28.188

30.28.188.105	View precise location of 30.28.188.105 on the map!
30.28.188.38	View precise location of 30.28.188.38 on the map!
30.28.188.175	View precise location of 30.28.188.175 on the map!
30.28.188.238	View precise location of 30.28.188.238 on the map!
30.28.188.180	View precise location of 30.28.188.180 on the map!
30.28.188.64	View precise location of 30.28.188.64 on the map!
30.28.188.44	View precise location of 30.28.188.44 on the map!
30.28.188.197	View precise location of 30.28.188.197 on the map!
30.28.188.250	View precise location of 30.28.188.250 on the map!
30.28.188.99	View precise location of 30.28.188.99 on the map!
30.28.188.159	View precise location of 30.28.188.159 on the map!

10 Random IPs

160.73.185.13	Find precise map location of 160.73.185.13
231.83.198.81	Find precise map location of 231.83.198.81
66.123.148.15	Find precise map location of 66.123.148.15
127.53.214.130	Find precise map location of 127.53.214.130
80.28.247.170	Find precise map location of 80.28.247.170
254.228.243.75	Find precise map location of 254.228.243.75
103.164.93.64	Find precise map location of 103.164.93.64
149.171.176.23	Find precise map location of 149.171.176.23
129.247.249.179	Find precise map location of 129.247.249.179
142.77.151.188	Find precise map location of 142.77.151.188
242.141.84.162	Find precise map location of 242.141.84.162

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