143.255.253 is a class C of IPs

Sample IPs from the class C 143.255.253

143.255.253.206	View precise location of 143.255.253.206 on the map!
143.255.253.29	View precise location of 143.255.253.29 on the map!
143.255.253.239	View precise location of 143.255.253.239 on the map!
143.255.253.83	View precise location of 143.255.253.83 on the map!
143.255.253.22	View precise location of 143.255.253.22 on the map!
143.255.253.217	View precise location of 143.255.253.217 on the map!
143.255.253.3	View precise location of 143.255.253.3 on the map!
143.255.253.32	View precise location of 143.255.253.32 on the map!
143.255.253.60	View precise location of 143.255.253.60 on the map!
143.255.253.226	View precise location of 143.255.253.226 on the map!
143.255.253.91	View precise location of 143.255.253.91 on the map!

10 Random IPs

140.58.232.180	Find precise map location of 140.58.232.180
245.44.246.108	Find precise map location of 245.44.246.108
5.128.192.40	Find precise map location of 5.128.192.40
101.252.57.217	Find precise map location of 101.252.57.217
100.11.209.132	Find precise map location of 100.11.209.132
122.192.91.229	Find precise map location of 122.192.91.229
140.177.182.114	Find precise map location of 140.177.182.114
149.252.63.33	Find precise map location of 149.252.63.33
179.183.151.118	Find precise map location of 179.183.151.118
43.67.217.196	Find precise map location of 43.67.217.196
122.255.253.79	Find precise map location of 122.255.253.79

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