Network address
2001:1900:4:fdef::
Full
2001:1900:0004:fdef:0000:0000:0000:0000
Prefix length
64
Range
2001:1900:4:fdef:: - 2001:1900:4:fdef:ffff:ffff:ffff:ffff
Number of hosts
18,446,744,073,709,551,616
Parent subnet
2001:1900:4:fdee::/63🔍
Previous subnet
2001:1900:4:fdee::/64🔍
Next subnet
2001:1900:4:fdf0::/64🔍