Network address
2001:1b21::
Full
2001:1b21:0000:0000:0000:0000:0000:0000
Prefix length
32
Range
2001:1b21:: - 2001:1b21:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
79,228,162,514,264,337,593,543,950,336
Parent subnet
2001:1b20::/31🔍
Previous subnet
2001:1b20::/32🔍
Next subnet
2001:1b22::/32🔍