Network address
2a00:12f8:1900:21::
Full
2a00:12f8:1900:0021:0000:0000:0000:0000
Prefix length
66
Range
2a00:12f8:1900:21:: - 2a00:12f8:1900:21:3fff:ffff:ffff:ffff
Number of hosts
4,611,686,018,427,387,904
Parent subnet
2a00:12f8:1900:21::/65🔍
Previous subnet
2a00:12f8:1900:20:c000::/66🔍
Next subnet
2a00:12f8:1900:21:4000::/66🔍