145.184.21 is a class C of IPs

Sample IPs from the class C 145.184.21

145.184.21.18	View precise location of 145.184.21.18 on the map!
145.184.21.190	View precise location of 145.184.21.190 on the map!
145.184.21.68	View precise location of 145.184.21.68 on the map!
145.184.21.140	View precise location of 145.184.21.140 on the map!
145.184.21.124	View precise location of 145.184.21.124 on the map!
145.184.21.44	View precise location of 145.184.21.44 on the map!
145.184.21.217	View precise location of 145.184.21.217 on the map!
145.184.21.175	View precise location of 145.184.21.175 on the map!
145.184.21.202	View precise location of 145.184.21.202 on the map!
145.184.21.60	View precise location of 145.184.21.60 on the map!
145.184.21.178	View precise location of 145.184.21.178 on the map!

10 Random IPs

122.80.10.135	Find precise map location of 122.80.10.135
97.244.130.195	Find precise map location of 97.244.130.195
8.57.82.192	Find precise map location of 8.57.82.192
243.129.36.69	Find precise map location of 243.129.36.69
107.140.186.195	Find precise map location of 107.140.186.195
157.179.45.50	Find precise map location of 157.179.45.50
51.1.159.107	Find precise map location of 51.1.159.107
105.81.65.12	Find precise map location of 105.81.65.12
226.58.124.59	Find precise map location of 226.58.124.59
26.77.10.137	Find precise map location of 26.77.10.137
66.211.48.140	Find precise map location of 66.211.48.140

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