Network address
3b:4000::
Full
003b:4000:0000:0000:0000:0000:0000:0000
Prefix length
19
Range
3b:4000:: - 3b:5fff:ffff:ffff:ffff:ffff:ffff:ffff
Number of hosts
649,037,107,316,853,453,566,312,041,152,512
Parent subnet
3b:4000::/18🔍
Previous subnet
3b:2000::/19🔍
Next subnet
3b:6000::/19🔍