Network address
2001:4860:1:1:21::
Full
2001:4860:0001:0001:0021:0000:0000:0000
Prefix length
81
Range
2001:4860:1:1:21:: - 2001:4860:1:1:21:7fff:ffff:ffff
Number of hosts
140,737,488,355,328
Parent subnet
2001:4860:1:1:21::/80🔍
Previous subnet
2001:4860:1:1:20:8000::/81🔍
Next subnet
2001:4860:1:1:21:8000::/81🔍