Network address
1ffb:4000::
Full
1ffb:4000:0000:0000:0000:0000:0000:0000
Prefix length
19
Range
1ffb:4000:: - 1ffb:5fff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
649,037,107,316,853,453,566,312,041,152,512
Parent subnet
1ffb:4000::/18🔍
Previous subnet
1ffb:2000::/19🔍
Next subnet
1ffb:6000::/19🔍