Network address
2801:21::
Full
2801:0021:0000:0000:0000:0000:0000:0000
Prefix length
40
Range
2801:21:: - 2801:21:ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
309,485,009,821,345,068,724,781,056
Parent subnet
2801:21::/39🔍
Previous subnet
2801:20:ff00::/40🔍
Next subnet
2801:21:100::/40🔍