181.28.7 is a class C of IPs

Sample IPs from the class C 181.28.7

181.28.7.82	View precise location of 181.28.7.82 on the map!
181.28.7.208	View precise location of 181.28.7.208 on the map!
181.28.7.180	View precise location of 181.28.7.180 on the map!
181.28.7.61	View precise location of 181.28.7.61 on the map!
181.28.7.127	View precise location of 181.28.7.127 on the map!
181.28.7.1	View precise location of 181.28.7.1 on the map!
181.28.7.82	View precise location of 181.28.7.82 on the map!
181.28.7.219	View precise location of 181.28.7.219 on the map!
181.28.7.146	View precise location of 181.28.7.146 on the map!
181.28.7.106	View precise location of 181.28.7.106 on the map!
181.28.7.105	View precise location of 181.28.7.105 on the map!

10 Random IPs

184.63.33.208	Find precise map location of 184.63.33.208
28.26.176.143	Find precise map location of 28.26.176.143
6.111.203.210	Find precise map location of 6.111.203.210
216.43.199.30	Find precise map location of 216.43.199.30
44.167.116.48	Find precise map location of 44.167.116.48
120.164.87.158	Find precise map location of 120.164.87.158
122.13.228.28	Find precise map location of 122.13.228.28
221.212.235.132	Find precise map location of 221.212.235.132
66.111.82.197	Find precise map location of 66.111.82.197
164.236.131.146	Find precise map location of 164.236.131.146
204.48.93.245	Find precise map location of 204.48.93.245

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