Network address
2001:668:0:b:4000::
Full
2001:0668:0000:000b:4000:0000:0000:0000
Prefix length
66
Range
2001:668:0:b:4000:: - 2001:668:0:b:7fff:ffff:ffff:ffff
Number of hosts
4,611,686,018,427,387,904
Parent subnet
2001:668:0:b::/65🔍
Previous subnet
2001:668:0:b::/66🔍
Next subnet
2001:668:0:b:8000::/66🔍