238.81.28 is a class C of IPs

Sample IPs from the class C 238.81.28

238.81.28.4	View precise location of 238.81.28.4 on the map!
238.81.28.5	View precise location of 238.81.28.5 on the map!
238.81.28.251	View precise location of 238.81.28.251 on the map!
238.81.28.99	View precise location of 238.81.28.99 on the map!
238.81.28.24	View precise location of 238.81.28.24 on the map!
238.81.28.59	View precise location of 238.81.28.59 on the map!
238.81.28.217	View precise location of 238.81.28.217 on the map!
238.81.28.119	View precise location of 238.81.28.119 on the map!
238.81.28.44	View precise location of 238.81.28.44 on the map!
238.81.28.50	View precise location of 238.81.28.50 on the map!
238.81.28.5	View precise location of 238.81.28.5 on the map!

10 Random IPs

119.109.54.124	Find precise map location of 119.109.54.124
121.78.39.186	Find precise map location of 121.78.39.186
64.183.224.73	Find precise map location of 64.183.224.73
212.117.233.192	Find precise map location of 212.117.233.192
126.74.25.176	Find precise map location of 126.74.25.176
81.245.7.14	Find precise map location of 81.245.7.14
87.240.179.129	Find precise map location of 87.240.179.129
218.168.106.117	Find precise map location of 218.168.106.117
39.123.8.110	Find precise map location of 39.123.8.110
18.179.96.35	Find precise map location of 18.179.96.35
133.173.100.22	Find precise map location of 133.173.100.22

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