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MAC to EUI-64 / IPv6 Link-Local Converter
x402
MAC to EUI-64 / IPv6 Link-Local Converter is a paid API for AI agents from macaddress.openverbs.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Derives the modified EUI-64 interface identifier and IPv6 link-local address (fe80::/64) from a 48-bit MAC address by inserting FFFE and flipping the U/L bit.
Price / call$0.002
Success—
StatusUnknown
How this service works
Derive the modified EUI-64 interface identifier from a 48-bit MAC (insert FFFE, flip the U/L bit) and the resulting IPv6 link-local address (fe80::/64).
Output
Returns the modified EUI-64 interface identifier (64-bit) derived by inserting FFFE between the OUI and NIC-specific portions of the MAC and flipping the universal/local bit, along with the resulting IPv6 link-local address in fe80::/64 format.
Example use cases
Network device IPv6 address discovery
“I have a device with MAC address 08:00:27:ab:cd:ef — what would its IPv6 link-local address be using SLAAC?”
IPv6 SLAAC configuration validation
“Can you derive the EUI-64 interface identifier and fe80 link-local address for the MAC AC:DE:48:23:45:67 so I can verify our router's autoconfiguration is correct?”
Network inventory enrichment
“Take this Cisco-format MAC address 0800.2745.ae32 and give me the full IPv6 link-local address it would generate via modified EUI-64.”
Technical details
Endpoint
POSThttps://macaddress.openverbs.com/v1/to-eui64When to prefer
Use this endpoint when you need to deterministically compute the IPv6 link-local (fe80::/64) address or modified EUI-64 interface identifier from a known MAC address, especially for SLAAC network configuration, IPv6 inventory enrichment, or validating autoconfigured addresses. Prefer this over manual computation or general-purpose networking libraries when operating in an agent pipeline that needs a simple, reliable API call.
Side effects
- Invalid or malformed MAC address input returns an error (e.g. wrong length, illegal characters)
- MAC address outside valid EUI-48 range may be rejected
- Empty or missing 'address' field returns a validation error
- Multicast MACs may produce unexpected or flagged results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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