Network address
0:0:0:21::
Full
0000:0000:0000:0021:0000:0000:0000:0000
Prefix length
66
Range
0:0:0:21:: - ::21:3fff:ffff:ffff:ffff
Number of hosts
4,611,686,018,427,387,904
Parent subnet
0:0:0:21::/65🔍
Previous subnet
::20:c000:0:0:0/66🔍
Next subnet
::21:4000:0:0:0/66🔍