238.28.19 is a class C of IPs

Sample IPs from the class C 238.28.19

238.28.19.250	View precise location of 238.28.19.250 on the map!
238.28.19.241	View precise location of 238.28.19.241 on the map!
238.28.19.102	View precise location of 238.28.19.102 on the map!
238.28.19.33	View precise location of 238.28.19.33 on the map!
238.28.19.50	View precise location of 238.28.19.50 on the map!
238.28.19.89	View precise location of 238.28.19.89 on the map!
238.28.19.232	View precise location of 238.28.19.232 on the map!
238.28.19.47	View precise location of 238.28.19.47 on the map!
238.28.19.112	View precise location of 238.28.19.112 on the map!
238.28.19.97	View precise location of 238.28.19.97 on the map!
238.28.19.210	View precise location of 238.28.19.210 on the map!

10 Random IPs

56.48.153.130	Find precise map location of 56.48.153.130
10.90.92.10	Find precise map location of 10.90.92.10
16.90.37.94	Find precise map location of 16.90.37.94
168.194.233.96	Find precise map location of 168.194.233.96
48.190.38.54	Find precise map location of 48.190.38.54
11.207.255.77	Find precise map location of 11.207.255.77
205.69.28.178	Find precise map location of 205.69.28.178
6.215.31.148	Find precise map location of 6.215.31.148
81.19.27.21	Find precise map location of 81.19.27.21
199.16.169.192	Find precise map location of 199.16.169.192
244.169.21.83	Find precise map location of 244.169.21.83

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