Network address
2001:1900:21fc::
Full
2001:1900:21fc:0000:0000:0000:0000:0000
Prefix length
54
Range
2001:1900:21fc:: - 2001:1900:21fc:3ff:ffff:ffff:ffff:ffff
Number of hosts
18,889,465,931,478,580,854,784
Parent subnet
2001:1900:21fc::/53🔍
Previous subnet
2001:1900:21fb:fc00::/54🔍
Next subnet
2001:1900:21fc:400::/54🔍