Network address
2001:1256:4000::
Full
2001:1256:4000:0000:0000:0000:0000:0000
Prefix length
39
Range
2001:1256:4000:: - 2001:1256:41ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
618,970,019,642,690,137,449,562,112
Parent subnet
2001:1256:4000::/38🔍
Previous subnet
2001:1256:3e00::/39🔍
Next subnet
2001:1256:4200::/39🔍