137.229.28 is a class C of IPs

Sample IPs from the class C 137.229.28

137.229.28.23	View precise location of 137.229.28.23 on the map!
137.229.28.38	View precise location of 137.229.28.38 on the map!
137.229.28.246	View precise location of 137.229.28.246 on the map!
137.229.28.40	View precise location of 137.229.28.40 on the map!
137.229.28.202	View precise location of 137.229.28.202 on the map!
137.229.28.81	View precise location of 137.229.28.81 on the map!
137.229.28.113	View precise location of 137.229.28.113 on the map!
137.229.28.44	View precise location of 137.229.28.44 on the map!
137.229.28.197	View precise location of 137.229.28.197 on the map!
137.229.28.66	View precise location of 137.229.28.66 on the map!
137.229.28.17	View precise location of 137.229.28.17 on the map!

10 Random IPs

239.45.83.233	Find precise map location of 239.45.83.233
147.238.94.158	Find precise map location of 147.238.94.158
71.84.178.78	Find precise map location of 71.84.178.78
5.63.128.36	Find precise map location of 5.63.128.36
232.77.94.149	Find precise map location of 232.77.94.149
116.124.238.89	Find precise map location of 116.124.238.89
170.209.32.161	Find precise map location of 170.209.32.161
69.129.223.182	Find precise map location of 69.129.223.182
74.252.57.28	Find precise map location of 74.252.57.28
174.167.26.185	Find precise map location of 174.167.26.185
50.162.69.153	Find precise map location of 50.162.69.153

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