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IP Tools

IP↔Decimal, IPv4↔IPv6, IPv6 compress/expand, CIDR↔range — all pure JS.

CIDR → Range

Range → CIDR list

Check if a domain has AAAA records (supports IPv6). Resolves via DNS-over-HTTPS.

Generate ULA (Unique Local Address, fc00::/7) IPv6 addresses for private/local networks. Compliant with RFC 4193.

Generate random MAC addresses. Optionally specify an OUI prefix. Supports colon, dash, and dot notation.