Network address
2a01:cefe:400::
Full
2a01:cefe:0400:0000:0000:0000:0000:0000
Prefix length
40
Range
2a01:cefe:400:: - 2a01:cefe:4ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
309,485,009,821,345,068,724,781,056
Parent subnet
2a01:cefe:400::/39🔍
Previous subnet
2a01:cefe:300::/40🔍
Next subnet
2a01:cefe:500::/40🔍