18.184.21 is a class C of IPs

Sample IPs from the class C 18.184.21

18.184.21.5	View precise location of 18.184.21.5 on the map!
18.184.21.90	View precise location of 18.184.21.90 on the map!
18.184.21.1	View precise location of 18.184.21.1 on the map!
18.184.21.70	View precise location of 18.184.21.70 on the map!
18.184.21.97	View precise location of 18.184.21.97 on the map!
18.184.21.253	View precise location of 18.184.21.253 on the map!
18.184.21.160	View precise location of 18.184.21.160 on the map!
18.184.21.175	View precise location of 18.184.21.175 on the map!
18.184.21.160	View precise location of 18.184.21.160 on the map!
18.184.21.115	View precise location of 18.184.21.115 on the map!
18.184.21.19	View precise location of 18.184.21.19 on the map!

10 Random IPs

168.100.233.28	Find precise map location of 168.100.233.28
60.83.26.182	Find precise map location of 60.83.26.182
148.219.172.205	Find precise map location of 148.219.172.205
84.106.255.196	Find precise map location of 84.106.255.196
248.102.179.152	Find precise map location of 248.102.179.152
65.208.150.171	Find precise map location of 65.208.150.171
74.49.179.71	Find precise map location of 74.49.179.71
149.160.221.55	Find precise map location of 149.160.221.55
223.114.8.77	Find precise map location of 223.114.8.77
195.126.111.75	Find precise map location of 195.126.111.75
195.9.158.65	Find precise map location of 195.9.158.65

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