Network address
2001:1900:4:fffe:4000::
Full
2001:1900:0004:fffe:4000:0000:0000:0000
Prefix length
66
Range
2001:1900:4:fffe:4000:: - 2001:1900:4:fffe:7fff:ffff:ffff:ffff
Number of hosts
4,611,686,018,427,387,904
Parent subnet
2001:1900:4:fffe::/65🔍
Previous subnet
2001:1900:4:fffe::/66🔍
Next subnet
2001:1900:4:fffe:8000::/66🔍