173.221.10 is a class C of IPs

Sample IPs from the class C 173.221.10

173.221.10.106	View precise location of 173.221.10.106 on the map!
173.221.10.161	View precise location of 173.221.10.161 on the map!
173.221.10.218	View precise location of 173.221.10.218 on the map!
173.221.10.42	View precise location of 173.221.10.42 on the map!
173.221.10.191	View precise location of 173.221.10.191 on the map!
173.221.10.106	View precise location of 173.221.10.106 on the map!
173.221.10.9	View precise location of 173.221.10.9 on the map!
173.221.10.56	View precise location of 173.221.10.56 on the map!
173.221.10.85	View precise location of 173.221.10.85 on the map!
173.221.10.234	View precise location of 173.221.10.234 on the map!
173.221.10.208	View precise location of 173.221.10.208 on the map!

10 Random IPs

213.61.172.61	Find precise map location of 213.61.172.61
253.10.225.88	Find precise map location of 253.10.225.88
228.244.204.145	Find precise map location of 228.244.204.145
171.213.97.45	Find precise map location of 171.213.97.45
250.196.31.170	Find precise map location of 250.196.31.170
171.190.228.43	Find precise map location of 171.190.228.43
172.13.84.143	Find precise map location of 172.13.84.143
196.7.124.154	Find precise map location of 196.7.124.154
114.203.218.208	Find precise map location of 114.203.218.208
165.77.127.9	Find precise map location of 165.77.127.9
196.13.55.194	Find precise map location of 196.13.55.194

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