Network address
2a01:cf:800::
Full
2a01:00cf:0800:0000:0000:0000:0000:0000
Prefix length
40
Range
2a01:cf:800:: - 2a01:cf:8ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
309,485,009,821,345,068,724,781,056
Parent subnet
2a01:cf:800::/39🔍
Previous subnet
2a01:cf:700::/40🔍
Next subnet
2a01:cf:900::/40🔍