139.21.134 is a class C of IPs

Sample IPs from the class C 139.21.134

139.21.134.89	View precise location of 139.21.134.89 on the map!
139.21.134.123	View precise location of 139.21.134.123 on the map!
139.21.134.143	View precise location of 139.21.134.143 on the map!
139.21.134.223	View precise location of 139.21.134.223 on the map!
139.21.134.201	View precise location of 139.21.134.201 on the map!
139.21.134.88	View precise location of 139.21.134.88 on the map!
139.21.134.181	View precise location of 139.21.134.181 on the map!
139.21.134.209	View precise location of 139.21.134.209 on the map!
139.21.134.63	View precise location of 139.21.134.63 on the map!
139.21.134.112	View precise location of 139.21.134.112 on the map!
139.21.134.91	View precise location of 139.21.134.91 on the map!

10 Random IPs

101.40.159.48	Find precise map location of 101.40.159.48
60.2.127.62	Find precise map location of 60.2.127.62
90.219.76.201	Find precise map location of 90.219.76.201
50.255.138.156	Find precise map location of 50.255.138.156
142.139.59.45	Find precise map location of 142.139.59.45
52.110.123.210	Find precise map location of 52.110.123.210
54.106.189.70	Find precise map location of 54.106.189.70
55.71.134.203	Find precise map location of 55.71.134.203
6.25.40.22	Find precise map location of 6.25.40.22
17.72.226.142	Find precise map location of 17.72.226.142
189.105.133.159	Find precise map location of 189.105.133.159

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