139.139.177 is a class C of IPs

Sample IPs from the class C 139.139.177

139.139.177.223	View precise location of 139.139.177.223 on the map!
139.139.177.214	View precise location of 139.139.177.214 on the map!
139.139.177.77	View precise location of 139.139.177.77 on the map!
139.139.177.33	View precise location of 139.139.177.33 on the map!
139.139.177.212	View precise location of 139.139.177.212 on the map!
139.139.177.41	View precise location of 139.139.177.41 on the map!
139.139.177.25	View precise location of 139.139.177.25 on the map!
139.139.177.28	View precise location of 139.139.177.28 on the map!
139.139.177.230	View precise location of 139.139.177.230 on the map!
139.139.177.73	View precise location of 139.139.177.73 on the map!
139.139.177.69	View precise location of 139.139.177.69 on the map!

10 Random IPs

90.181.121.217	Find precise map location of 90.181.121.217
57.78.169.254	Find precise map location of 57.78.169.254
131.11.222.152	Find precise map location of 131.11.222.152
58.79.125.55	Find precise map location of 58.79.125.55
150.247.98.95	Find precise map location of 150.247.98.95
17.231.55.95	Find precise map location of 17.231.55.95
85.24.112.218	Find precise map location of 85.24.112.218
182.116.20.47	Find precise map location of 182.116.20.47
16.244.15.255	Find precise map location of 16.244.15.255
172.239.254.18	Find precise map location of 172.239.254.18
250.26.159.79	Find precise map location of 250.26.159.79

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