54.131.221 is a class C of IPs

Sample IPs from the class C 54.131.221

54.131.221.8	View precise location of 54.131.221.8 on the map!
54.131.221.185	View precise location of 54.131.221.185 on the map!
54.131.221.153	View precise location of 54.131.221.153 on the map!
54.131.221.1	View precise location of 54.131.221.1 on the map!
54.131.221.204	View precise location of 54.131.221.204 on the map!
54.131.221.194	View precise location of 54.131.221.194 on the map!
54.131.221.151	View precise location of 54.131.221.151 on the map!
54.131.221.163	View precise location of 54.131.221.163 on the map!
54.131.221.198	View precise location of 54.131.221.198 on the map!
54.131.221.128	View precise location of 54.131.221.128 on the map!
54.131.221.48	View precise location of 54.131.221.48 on the map!

10 Random IPs

211.143.132.158	Find precise map location of 211.143.132.158
38.250.84.2	Find precise map location of 38.250.84.2
45.155.222.116	Find precise map location of 45.155.222.116
199.73.35.95	Find precise map location of 199.73.35.95
90.193.25.60	Find precise map location of 90.193.25.60
118.136.89.138	Find precise map location of 118.136.89.138
172.31.138.72	Find precise map location of 172.31.138.72
143.167.13.127	Find precise map location of 143.167.13.127
144.8.58.21	Find precise map location of 144.8.58.21
52.51.61.66	Find precise map location of 52.51.61.66
147.248.214.53	Find precise map location of 147.248.214.53

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