230.143.137 is a class C of IPs

Sample IPs from the class C 230.143.137

230.143.137.173	View precise location of 230.143.137.173 on the map!
230.143.137.206	View precise location of 230.143.137.206 on the map!
230.143.137.5	View precise location of 230.143.137.5 on the map!
230.143.137.143	View precise location of 230.143.137.143 on the map!
230.143.137.26	View precise location of 230.143.137.26 on the map!
230.143.137.203	View precise location of 230.143.137.203 on the map!
230.143.137.156	View precise location of 230.143.137.156 on the map!
230.143.137.171	View precise location of 230.143.137.171 on the map!
230.143.137.144	View precise location of 230.143.137.144 on the map!
230.143.137.37	View precise location of 230.143.137.37 on the map!
230.143.137.62	View precise location of 230.143.137.62 on the map!

10 Random IPs

83.107.16.128	Find precise map location of 83.107.16.128
45.111.207.176	Find precise map location of 45.111.207.176
87.188.248.240	Find precise map location of 87.188.248.240
15.125.202.91	Find precise map location of 15.125.202.91
189.5.29.30	Find precise map location of 189.5.29.30
109.110.65.66	Find precise map location of 109.110.65.66
24.105.65.37	Find precise map location of 24.105.65.37
232.12.236.202	Find precise map location of 232.12.236.202
136.66.90.22	Find precise map location of 136.66.90.22
14.219.18.212	Find precise map location of 14.219.18.212
88.9.240.26	Find precise map location of 88.9.240.26

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