Network address
2001:1900:4:ffff::
Full
2001:1900:0004:ffff:0000:0000:0000:0000
Prefix length
67
Range
2001:1900:4:ffff:: - 2001:1900:4:ffff:1fff:ffff:ffff:ffff
Number of hosts
2,305,843,009,213,693,952
Parent subnet
2001:1900:4:ffff::/66🔍
Previous subnet
2001:1900:4:fffe:e000::/67🔍
Next subnet
2001:1900:4:ffff:2000::/67🔍