Network address
21b:4000::
Full
021b:4000:0000:0000:0000:0000:0000:0000
Prefix length
18
Range
21b:4000:: - 21b:7fff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
1,298,074,214,633,706,907,132,624,082,305,024
Previous subnet
21b::/18🔍
Next subnet
21b:8000::/18🔍