Network address
2001:1900:21ff:b800::
Full
2001:1900:21ff:b800:0000:0000:0000:0000
Prefix length
55
Range
2001:1900:21ff:b800:: - 2001:1900:21ff:b9ff:ffff:ffff:ffff:ffff
Number of hosts
9,444,732,965,739,290,427,392
Parent subnet
2001:1900:21ff:b800::/54🔍
Previous subnet
2001:1900:21ff:b600::/55🔍
Next subnet
2001:1900:21ff:ba00::/55🔍