Network address
2001:c21:ff00::
Full
2001:0c21:ff00:0000:0000:0000:0000:0000
Prefix length
40
Range
2001:c21:ff00:: - 2001:c21:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
309,485,009,821,345,068,724,781,056
Parent subnet
2001:c21:fe00::/39🔍
Previous subnet
2001:c21:fe00::/40🔍
Next subnet
2001:c22::/40🔍