18.44.21 is a class C of IPs

Sample IPs from the class C 18.44.21

18.44.21.13	View precise location of 18.44.21.13 on the map!
18.44.21.85	View precise location of 18.44.21.85 on the map!
18.44.21.58	View precise location of 18.44.21.58 on the map!
18.44.21.162	View precise location of 18.44.21.162 on the map!
18.44.21.242	View precise location of 18.44.21.242 on the map!
18.44.21.107	View precise location of 18.44.21.107 on the map!
18.44.21.234	View precise location of 18.44.21.234 on the map!
18.44.21.215	View precise location of 18.44.21.215 on the map!
18.44.21.222	View precise location of 18.44.21.222 on the map!
18.44.21.195	View precise location of 18.44.21.195 on the map!
18.44.21.34	View precise location of 18.44.21.34 on the map!

10 Random IPs

207.85.86.223	Find precise map location of 207.85.86.223
1.101.101.105	Find precise map location of 1.101.101.105
190.132.154.77	Find precise map location of 190.132.154.77
91.122.243.94	Find precise map location of 91.122.243.94
237.71.41.226	Find precise map location of 237.71.41.226
213.128.57.111	Find precise map location of 213.128.57.111
44.116.86.79	Find precise map location of 44.116.86.79
44.251.34.185	Find precise map location of 44.251.34.185
229.85.73.219	Find precise map location of 229.85.73.219
96.136.251.162	Find precise map location of 96.136.251.162
98.178.1.133	Find precise map location of 98.178.1.133

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