Network address
2001:dfb:400::
Full
2001:0dfb:0400:0000:0000:0000:0000:0000
Prefix length
40
Range
2001:dfb:400:: - 2001:dfb:4ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
309,485,009,821,345,068,724,781,056
Parent subnet
2001:dfb:400::/39🔍
Previous subnet
2001:dfb:300::/40🔍
Next subnet
2001:dfb:500::/40🔍