139.74.30 is a class C of IPs

Sample IPs from the class C 139.74.30

139.74.30.5	View precise location of 139.74.30.5 on the map!
139.74.30.87	View precise location of 139.74.30.87 on the map!
139.74.30.254	View precise location of 139.74.30.254 on the map!
139.74.30.56	View precise location of 139.74.30.56 on the map!
139.74.30.99	View precise location of 139.74.30.99 on the map!
139.74.30.87	View precise location of 139.74.30.87 on the map!
139.74.30.89	View precise location of 139.74.30.89 on the map!
139.74.30.221	View precise location of 139.74.30.221 on the map!
139.74.30.69	View precise location of 139.74.30.69 on the map!
139.74.30.71	View precise location of 139.74.30.71 on the map!
139.74.30.107	View precise location of 139.74.30.107 on the map!

10 Random IPs

185.31.64.33	Find precise map location of 185.31.64.33
77.26.210.105	Find precise map location of 77.26.210.105
31.7.45.3	Find precise map location of 31.7.45.3
89.44.12.95	Find precise map location of 89.44.12.95
251.71.189.2	Find precise map location of 251.71.189.2
189.79.225.192	Find precise map location of 189.79.225.192
152.145.102.19	Find precise map location of 152.145.102.19
159.12.31.108	Find precise map location of 159.12.31.108
199.71.26.139	Find precise map location of 199.71.26.139
36.24.224.216	Find precise map location of 36.24.224.216
174.115.73.198	Find precise map location of 174.115.73.198

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