Network address
2001:4860:1:0:ff81::
Full
2001:4860:0001:0000:ff81:0000:0000:0000
Prefix length
81
Range
2001:4860:1:0:ff81:: - 2001:4860:1:0:ff81:7fff:ffff:ffff
Number of hosts
140,737,488,355,328
Parent subnet
2001:4860:1:0:ff81::/80🔍
Previous subnet
2001:4860:1:0:ff80:8000::/81🔍
Next subnet
2001:4860:1:0:ff81:8000::/81🔍