143.159.111 is a class C of IPs

Sample IPs from the class C 143.159.111

143.159.111.248	View precise location of 143.159.111.248 on the map!
143.159.111.106	View precise location of 143.159.111.106 on the map!
143.159.111.171	View precise location of 143.159.111.171 on the map!
143.159.111.73	View precise location of 143.159.111.73 on the map!
143.159.111.115	View precise location of 143.159.111.115 on the map!
143.159.111.112	View precise location of 143.159.111.112 on the map!
143.159.111.24	View precise location of 143.159.111.24 on the map!
143.159.111.111	View precise location of 143.159.111.111 on the map!
143.159.111.139	View precise location of 143.159.111.139 on the map!
143.159.111.88	View precise location of 143.159.111.88 on the map!
143.159.111.155	View precise location of 143.159.111.155 on the map!

10 Random IPs

18.98.109.104	Find precise map location of 18.98.109.104
222.64.133.242	Find precise map location of 222.64.133.242
52.84.8.23	Find precise map location of 52.84.8.23
246.167.101.134	Find precise map location of 246.167.101.134
49.230.162.170	Find precise map location of 49.230.162.170
76.82.59.41	Find precise map location of 76.82.59.41
31.123.20.255	Find precise map location of 31.123.20.255
119.137.108.21	Find precise map location of 119.137.108.21
49.246.14.151	Find precise map location of 49.246.14.151
101.117.241.69	Find precise map location of 101.117.241.69
221.89.209.171	Find precise map location of 221.89.209.171

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