Network address
1ff1::
Full
1ff1:0000:0000:0000:0000:0000:0000:0000
Prefix length
21
Range
1ff1:: - 1ff1:7ff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
162,259,276,829,213,363,391,578,010,288,128
Previous subnet
1ff0:f800::/21🔍
Next subnet
1ff1:800::/21🔍