74.73.21 is a class C of IPs

Sample IPs from the class C 74.73.21

74.73.21.58	View precise location of 74.73.21.58 on the map!
74.73.21.12	View precise location of 74.73.21.12 on the map!
74.73.21.170	View precise location of 74.73.21.170 on the map!
74.73.21.150	View precise location of 74.73.21.150 on the map!
74.73.21.253	View precise location of 74.73.21.253 on the map!
74.73.21.59	View precise location of 74.73.21.59 on the map!
74.73.21.168	View precise location of 74.73.21.168 on the map!
74.73.21.168	View precise location of 74.73.21.168 on the map!
74.73.21.150	View precise location of 74.73.21.150 on the map!
74.73.21.73	View precise location of 74.73.21.73 on the map!
74.73.21.68	View precise location of 74.73.21.68 on the map!

10 Random IPs

114.48.135.79	Find precise map location of 114.48.135.79
151.165.153.224	Find precise map location of 151.165.153.224
37.139.219.4	Find precise map location of 37.139.219.4
13.45.136.43	Find precise map location of 13.45.136.43
51.7.233.54	Find precise map location of 51.7.233.54
14.116.208.150	Find precise map location of 14.116.208.150
243.240.151.43	Find precise map location of 243.240.151.43
94.119.224.169	Find precise map location of 94.119.224.169
231.90.169.6	Find precise map location of 231.90.169.6
68.200.208.54	Find precise map location of 68.200.208.54
68.73.206.163	Find precise map location of 68.73.206.163

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