4.151 is a class B of IPs

Sample IPs from the class B 4.151

4.151.163.60	View precise location of 4.151.163.60 on the map!
4.151.56.243	View precise location of 4.151.56.243 on the map!
4.151.63.54	View precise location of 4.151.63.54 on the map!
4.151.233.201	View precise location of 4.151.233.201 on the map!
4.151.243.88	View precise location of 4.151.243.88 on the map!
4.151.220.253	View precise location of 4.151.220.253 on the map!
4.151.36.112	View precise location of 4.151.36.112 on the map!
4.151.208.204	View precise location of 4.151.208.204 on the map!
4.151.130.124	View precise location of 4.151.130.124 on the map!
4.151.62.47	View precise location of 4.151.62.47 on the map!
4.151.233.192	View precise location of 4.151.233.192 on the map!

10 Random IPs

237.5.115.163	Find precise map location of 237.5.115.163
106.232.111.8	Find precise map location of 106.232.111.8
33.114.102.156	Find precise map location of 33.114.102.156
154.142.158.4	Find precise map location of 154.142.158.4
199.216.63.152	Find precise map location of 199.216.63.152
189.91.111.112	Find precise map location of 189.91.111.112
248.160.10.192	Find precise map location of 248.160.10.192
210.233.163.23	Find precise map location of 210.233.163.23
157.76.75.194	Find precise map location of 157.76.75.194
197.156.237.25	Find precise map location of 197.156.237.25
188.3.128.155	Find precise map location of 188.3.128.155

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