139.78 is a class B of IPs

Sample IPs from the class B 139.78

139.78.7.56	View precise location of 139.78.7.56 on the map!
139.78.189.68	View precise location of 139.78.189.68 on the map!
139.78.64.150	View precise location of 139.78.64.150 on the map!
139.78.241.12	View precise location of 139.78.241.12 on the map!
139.78.126.95	View precise location of 139.78.126.95 on the map!
139.78.109.188	View precise location of 139.78.109.188 on the map!
139.78.127.98	View precise location of 139.78.127.98 on the map!
139.78.118.223	View precise location of 139.78.118.223 on the map!
139.78.101.151	View precise location of 139.78.101.151 on the map!
139.78.33.156	View precise location of 139.78.33.156 on the map!
139.78.243.136	View precise location of 139.78.243.136 on the map!

10 Random IPs

226.67.201.30	Find precise map location of 226.67.201.30
130.9.152.61	Find precise map location of 130.9.152.61
28.18.45.200	Find precise map location of 28.18.45.200
225.249.4.16	Find precise map location of 225.249.4.16
218.17.254.199	Find precise map location of 218.17.254.199
114.157.85.158	Find precise map location of 114.157.85.158
63.109.86.160	Find precise map location of 63.109.86.160
85.176.231.22	Find precise map location of 85.176.231.22
18.133.123.107	Find precise map location of 18.133.123.107
152.220.153.37	Find precise map location of 152.220.153.37
78.238.127.1	Find precise map location of 78.238.127.1

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