Network address
2001:4860:1:21::
Full
2001:4860:0001:0021:0000:0000:0000:0000
Prefix length
66
Range
2001:4860:1:21:: - 2001:4860:1:21:3fff:ffff:ffff:ffff
Number of hosts
4,611,686,018,427,387,904
Parent subnet
2001:4860:1:21::/65🔍
Previous subnet
2001:4860:1:20:c000::/66🔍
Next subnet
2001:4860:1:21:4000::/66🔍