Network address
2001:1900:4:fdef::
Full
2001:1900:0004:fdef:0000:0000:0000:0000
Prefix length
65
Range
2001:1900:4:fdef:: - 2001:1900:4:fdef:7fff:ffff:ffff:ffff
Number of hosts
9,223,372,036,854,775,808
Parent subnet
2001:1900:4:fdef::/64🔍
Previous subnet
2001:1900:4:fdee:8000::/65🔍
Next subnet
2001:1900:4:fdef:8000::/65🔍