Network address
1ffb:3800::
Full
1ffb:3800:0000:0000:0000:0000:0000:0000
Prefix length
21
Range
1ffb:3800:: - 1ffb:3fff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
162,259,276,829,213,363,391,578,010,288,128
Parent subnet
1ffb:3000::/20🔍
Previous subnet
1ffb:3000::/21🔍
Next subnet
1ffb:4000::/21🔍