Network address
2a01:ef66::
Full
2a01:ef66:0000:0000:0000:0000:0000:0000
Prefix length
31
Range
2a01:ef66:: - 2a01:ef67:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
158,456,325,028,528,675,187,087,900,672
Parent subnet
2a01:ef64::/30🔍
Previous subnet
2a01:ef64::/31🔍
Next subnet
2a01:ef68::/31🔍