Network address
fbfb:4000::
Full
fbfb:4000:0000:0000:0000:0000:0000:0000
Prefix length
21
Range
fbfb:4000:: - fbfb:47ff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
162,259,276,829,213,363,391,578,010,288,128
Parent subnet
fbfb:4000::/20🔍
Previous subnet
fbfb:3800::/21🔍
Next subnet
fbfb:4800::/21🔍