What MAC address formats are accepted?

Any format with 12 hex digits is accepted, including colon-separated (00:1A:2B:3C:4D:5E), hyphen-separated (00-1A-2B-3C-4D-5E), or no separator (001A2B3C4D5E).

How does vendor lookup work?

The first 3 bytes (OUI) are matched against a built-in table of common vendor prefixes. Not all vendors are included.

Herramienta de dirección MAC

Validate MAC addresses, convert between separator formats, toggle case, and look up vendor via OUI prefix. Gratis, privado y 100% del lado del cliente.

param.macFormatparam.macUppercase

Entrada

Probar un ejemplo:

Salida

Local only

Historial reciente

Sin historial aún

Uso

Enter a MAC address in any common format.
Select the output separator format and case.
View validation result, vendor, and format conversions.

Tareas que usan esta herramienta

Construir and inspect network packets

Construct raw network packets para testing, debugging, y protocol development. Understand Ethernet, IP, y transport layer encapsulation.

TAREA

Buscar MAC address vendor (OUI)

El primero 3 bytes de un MAC address (OUI) identificar el manufacturer. Look up vendors para network device identification y inventory.

TAREA

Analizar and understand DNS records

DNS records mapear domain names a IPs, mail servers, y otro datos. Aprender Un, AAAA, CNAME, MX, TXT, NS, y SOA record tipos.

TAREA

Understand y configure VLANs

VLANs logically segment un physical network en isolated broadcast domains. Aprender VLAN IDs, tagging (802.1Q), y trunk vs access ports.

TAREA

Preguntas frecuentes

What MAC address formats are accepted?: Any format with 12 hex digits is accepted, including colon-separated (00:1A:2B:3C:4D:5E), hyphen-separated (00-1A-2B-3C-4D-5E), or no separator (001A2B3C4D5E).
How does vendor lookup work?: The first 3 bytes (OUI) are matched against a built-in table of common vendor prefixes. Not all vendors are included.

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