Network address
2001:1840:400::
Full
2001:1840:0400:0000:0000:0000:0000:0000
Prefix length
38
Range
2001:1840:400:: - 2001:1840:7ff:ffff:ffff:ffff:ffff:ffff
Number of hosts
1,237,940,039,285,380,274,899,124,224
Parent subnet
2001:1840::/37🔍
Previous subnet
2001:1840::/38🔍
Next subnet
2001:1840:800::/38🔍