Network address
21:b000::
Full
0021:b000:0000:0000:0000:0000:0000:0000
Prefix length
20
Range
21:b000:: - 21:bfff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
324,518,553,658,426,726,783,156,020,576,256
Parent subnet
21:a000::/19🔍
Previous subnet
21:a000::/20🔍
Next subnet
21:c000::/20🔍