144.243.57 is a class C of IPs

Sample IPs from the class C 144.243.57

144.243.57.18	View precise location of 144.243.57.18 on the map!
144.243.57.110	View precise location of 144.243.57.110 on the map!
144.243.57.85	View precise location of 144.243.57.85 on the map!
144.243.57.96	View precise location of 144.243.57.96 on the map!
144.243.57.95	View precise location of 144.243.57.95 on the map!
144.243.57.72	View precise location of 144.243.57.72 on the map!
144.243.57.25	View precise location of 144.243.57.25 on the map!
144.243.57.85	View precise location of 144.243.57.85 on the map!
144.243.57.130	View precise location of 144.243.57.130 on the map!
144.243.57.98	View precise location of 144.243.57.98 on the map!
144.243.57.124	View precise location of 144.243.57.124 on the map!

10 Random IPs

217.229.130.222	Find precise map location of 217.229.130.222
47.8.120.132	Find precise map location of 47.8.120.132
252.186.153.182	Find precise map location of 252.186.153.182
190.105.90.156	Find precise map location of 190.105.90.156
138.108.206.76	Find precise map location of 138.108.206.76
67.122.42.184	Find precise map location of 67.122.42.184
192.185.254.66	Find precise map location of 192.185.254.66
40.189.165.49	Find precise map location of 40.189.165.49
81.226.4.112	Find precise map location of 81.226.4.112
135.130.19.187	Find precise map location of 135.130.19.187
98.2.8.68	Find precise map location of 98.2.8.68

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