Network address
2001:1900:4:fe21::
Full
2001:1900:0004:fe21:0000:0000:0000:0000
Prefix length
65
Range
2001:1900:4:fe21:: - 2001:1900:4:fe21:7fff:ffff:ffff:ffff
Number of hosts
9,223,372,036,854,775,808
Parent subnet
2001:1900:4:fe21::/64🔍
Previous subnet
2001:1900:4:fe20:8000::/65🔍
Next subnet
2001:1900:4:fe21:8000::/65🔍