Network address
2001:4860:1:0:ff91::
Full
2001:4860:0001:0000:ff91:0000:0000:0000
Prefix length
81
Range
2001:4860:1:0:ff91:: - 2001:4860:1:0:ff91:7fff:ffff:ffff
Number of hosts
140,737,488,355,328
Parent subnet
2001:4860:1:0:ff91::/80🔍
Previous subnet
2001:4860:1:0:ff90:8000::/81🔍
Next subnet
2001:4860:1:0:ff91:8000::/81🔍