Tom.be
Subnet
Calculator
Merger
Name
Subnet details 1::/21
Network address
1::
Full
0001:0000:0000:0000:0000:0000:0000:0000
Prefix length
21
Range
1:: - 1:7ff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
162,259,276,829,213,363,391,578,010,288,128
Parent subnet
1::/20
🔍
Previous subnet
0:f800::/21
🔍
Next subnet
1:800::/21
🔍