IPv6 Subnet Calculator
Calculate IPv6 subnets, address ranges, and network addresses instantly
Common IPv6 Prefix Reference
| Prefix | Subnet Mask | Addresses | Use Case |
|---|---|---|---|
| /48 | ffff:ffff:ffff:: | 280 | Site allocation |
| /56 | ffff:ffff:ffff:ff00:: | 272 | Large LANs |
| /64 | ffff:ffff:ffff:ffff:: | 264 | Standard subnet |
| /96 | ffff:ffff:ffff:ffff:ffff:ffff:: | 232 | IPv4-mapped |
| /112 | ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00 | 216 | Point-to-point |
| /128 | ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff | 1 | Single host |