228.143.20 is a class C of IPs

Sample IPs from the class C 228.143.20

228.143.20.95	View precise location of 228.143.20.95 on the map!
228.143.20.9	View precise location of 228.143.20.9 on the map!
228.143.20.27	View precise location of 228.143.20.27 on the map!
228.143.20.221	View precise location of 228.143.20.221 on the map!
228.143.20.36	View precise location of 228.143.20.36 on the map!
228.143.20.134	View precise location of 228.143.20.134 on the map!
228.143.20.172	View precise location of 228.143.20.172 on the map!
228.143.20.194	View precise location of 228.143.20.194 on the map!
228.143.20.183	View precise location of 228.143.20.183 on the map!
228.143.20.243	View precise location of 228.143.20.243 on the map!
228.143.20.60	View precise location of 228.143.20.60 on the map!

10 Random IPs

80.22.208.123	Find precise map location of 80.22.208.123
144.103.150.249	Find precise map location of 144.103.150.249
80.248.194.38	Find precise map location of 80.248.194.38
212.192.3.193	Find precise map location of 212.192.3.193
34.202.103.15	Find precise map location of 34.202.103.15
33.253.32.195	Find precise map location of 33.253.32.195
90.30.172.214	Find precise map location of 90.30.172.214
94.202.29.179	Find precise map location of 94.202.29.179
241.35.3.34	Find precise map location of 241.35.3.34
19.128.212.140	Find precise map location of 19.128.212.140
56.48.219.128	Find precise map location of 56.48.219.128

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