128.20 is a class B of IPs

Sample IPs from the class B 128.20

128.20.185.125	View precise location of 128.20.185.125 on the map!
128.20.188.251	View precise location of 128.20.188.251 on the map!
128.20.150.45	View precise location of 128.20.150.45 on the map!
128.20.67.156	View precise location of 128.20.67.156 on the map!
128.20.109.139	View precise location of 128.20.109.139 on the map!
128.20.78.244	View precise location of 128.20.78.244 on the map!
128.20.109.229	View precise location of 128.20.109.229 on the map!
128.20.116.202	View precise location of 128.20.116.202 on the map!
128.20.171.62	View precise location of 128.20.171.62 on the map!
128.20.50.39	View precise location of 128.20.50.39 on the map!
128.20.5.233	View precise location of 128.20.5.233 on the map!

10 Random IPs

42.254.252.152	Find precise map location of 42.254.252.152
75.189.59.120	Find precise map location of 75.189.59.120
18.142.2.144	Find precise map location of 18.142.2.144
242.151.152.186	Find precise map location of 242.151.152.186
61.86.34.93	Find precise map location of 61.86.34.93
33.174.36.226	Find precise map location of 33.174.36.226
63.154.25.123	Find precise map location of 63.154.25.123
133.237.84.51	Find precise map location of 133.237.84.51
13.68.83.241	Find precise map location of 13.68.83.241
157.57.120.111	Find precise map location of 157.57.120.111
46.106.52.163	Find precise map location of 46.106.52.163

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