173.209.4 is a class C of IPs

Sample IPs from the class C 173.209.4

173.209.4.154	View precise location of 173.209.4.154 on the map!
173.209.4.167	View precise location of 173.209.4.167 on the map!
173.209.4.68	View precise location of 173.209.4.68 on the map!
173.209.4.165	View precise location of 173.209.4.165 on the map!
173.209.4.156	View precise location of 173.209.4.156 on the map!
173.209.4.250	View precise location of 173.209.4.250 on the map!
173.209.4.25	View precise location of 173.209.4.25 on the map!
173.209.4.119	View precise location of 173.209.4.119 on the map!
173.209.4.253	View precise location of 173.209.4.253 on the map!
173.209.4.67	View precise location of 173.209.4.67 on the map!
173.209.4.105	View precise location of 173.209.4.105 on the map!

10 Random IPs

135.221.137.141	Find precise map location of 135.221.137.141
52.194.252.110	Find precise map location of 52.194.252.110
179.183.20.203	Find precise map location of 179.183.20.203
214.18.184.108	Find precise map location of 214.18.184.108
72.63.116.164	Find precise map location of 72.63.116.164
231.29.242.6	Find precise map location of 231.29.242.6
29.31.109.200	Find precise map location of 29.31.109.200
205.245.178.183	Find precise map location of 205.245.178.183
53.125.200.32	Find precise map location of 53.125.200.32
114.77.124.124	Find precise map location of 114.77.124.124
3.140.15.22	Find precise map location of 3.140.15.22

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