Network address
2001:1999:400::
Full
2001:1999:0400:0000:0000:0000:0000:0000
Prefix length
39
Range
2001:1999:400:: - 2001:1999:5ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
618,970,019,642,690,137,449,562,112
Parent subnet
2001:1999:400::/38🔍
Previous subnet
2001:1999:200::/39🔍
Next subnet
2001:1999:600::/39🔍