21.133.223 is a class C of IPs

Sample IPs from the class C 21.133.223

21.133.223.123	View precise location of 21.133.223.123 on the map!
21.133.223.150	View precise location of 21.133.223.150 on the map!
21.133.223.175	View precise location of 21.133.223.175 on the map!
21.133.223.6	View precise location of 21.133.223.6 on the map!
21.133.223.220	View precise location of 21.133.223.220 on the map!
21.133.223.40	View precise location of 21.133.223.40 on the map!
21.133.223.46	View precise location of 21.133.223.46 on the map!
21.133.223.111	View precise location of 21.133.223.111 on the map!
21.133.223.4	View precise location of 21.133.223.4 on the map!
21.133.223.86	View precise location of 21.133.223.86 on the map!
21.133.223.223	View precise location of 21.133.223.223 on the map!

10 Random IPs

56.97.50.179	Find precise map location of 56.97.50.179
195.95.188.66	Find precise map location of 195.95.188.66
129.216.32.142	Find precise map location of 129.216.32.142
20.103.245.53	Find precise map location of 20.103.245.53
248.86.55.131	Find precise map location of 248.86.55.131
224.245.228.17	Find precise map location of 224.245.228.17
44.210.67.17	Find precise map location of 44.210.67.17
124.194.151.220	Find precise map location of 124.194.151.220
20.194.108.217	Find precise map location of 20.194.108.217
140.95.66.65	Find precise map location of 140.95.66.65
140.15.48.100	Find precise map location of 140.15.48.100

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