Generate RFC 4193-compliant fd::/8 Unique Local Addresses for private IPv6 network planning. ULAs are guaranteed not to conflict with global unicast addresses. ToolNextの無料オンラインツールとして提供されています。
fc00::/7. Locally assigned addresses use prefix fd00::/8 with a 40-bit random Global ID. Not routable on the public internet.fd47:ccaf:7f3000::/48Example subnet addresses:
fd47:ccaf:7f3000:0001::1/128fd47:ccaf:7f3000:0002::1/128Address Breakdown
fd (0xFD — locally assigned ULA)47ccaf7f300000–FFFF (16-bit, assign per subnet)64-bit (assign per host)fd0b:9190:c42a00::/48Example subnet addresses:
fd0b:9190:c42a00:0001::1/128fd0b:9190:c42a00:0002::1/128Address Breakdown
fd (0xFD — locally assigned ULA)0b9190c42a0000–FFFF (16-bit, assign per subnet)64-bit (assign per host)fd97:a007:5a1000::/48Example subnet addresses:
fd97:a007:5a1000:0001::1/128fd97:a007:5a1000:0002::1/128Address Breakdown
fd (0xFD — locally assigned ULA)97a0075a100000–FFFF (16-bit, assign per subnet)64-bit (assign per host)