Network address
2a00:12f8:3900:21::
Full
2a00:12f8:3900:0021:0000:0000:0000:0000
Prefix length
81
Range
2a00:12f8:3900:21:: - 2a00:12f8:3900:21:0:7fff:ffff:ffff
Number of hosts
140,737,488,355,328
Parent subnet
2a00:12f8:3900:21::/80🔍
Previous subnet
2a00:12f8:3900:20:ffff:8000::/81🔍
Next subnet
2a00:12f8:3900:21:0:8000::/81🔍