Generate RFC 4193-compliant fd::/8 Unique Local Addresses for private IPv6 network planning. ULAs are guaranteed not to conflict with global unicast addresses. Disponivel no ToolNext — a caixa de ferramentas online gratuita.
fc00::/7. Locally assigned addresses use prefix fd00::/8 with a 40-bit random Global ID. Not routable on the public internet.fdc5:1579:7bd600::/48Example subnet addresses:
fdc5:1579:7bd600:0001::1/128fdc5:1579:7bd600:0002::1/128Address Breakdown
fd (0xFD — locally assigned ULA)c515797bd60000–FFFF (16-bit, assign per subnet)64-bit (assign per host)fda1:5ca7:e3b800::/48Example subnet addresses:
fda1:5ca7:e3b800:0001::1/128fda1:5ca7:e3b800:0002::1/128Address Breakdown
fd (0xFD — locally assigned ULA)a15ca7e3b80000–FFFF (16-bit, assign per subnet)64-bit (assign per host)fdeb:e887:378f00::/48Example subnet addresses:
fdeb:e887:378f00:0001::1/128fdeb:e887:378f00:0002::1/128Address Breakdown
fd (0xFD — locally assigned ULA)ebe887378f0000–FFFF (16-bit, assign per subnet)64-bit (assign per host)