Network address
2001:1900:4:ffdb::
Full
2001:1900:0004:ffdb:0000:0000:0000:0000
Prefix length
66
Range
2001:1900:4:ffdb:: - 2001:1900:4:ffdb:3fff:ffff:ffff:ffff
Number of hosts
4,611,686,018,427,387,904
Parent subnet
2001:1900:4:ffdb::/65🔍
Previous subnet
2001:1900:4:ffda:c000::/66🔍
Next subnet
2001:1900:4:ffdb:4000::/66🔍