Adtranz Sweden MAC Prefix: Device Type Unknown

A MAC address beginning 00:06:30 matches an IEEE MA-L assignment registered to Adtranz Sweden. The supplied records do not identify a device category or establish which devices use the prefix, so a match identifies the registry assignment only; it does not identify a particular device, product, operating system, current vendor identity, or security state.

This is one 24-bit prefix, leaving 24 bits for suffix values. There are 16,777,216 possible suffix values, but that is a mathematical range, not a count of devices, addresses in use, or shipments. For this exact prefix, the first octet is 00: its Group bit (bit mask 0x01) and Local bit (bit mask 0x02) are both zero and fixed. Changing either bit changes the prefix and no longer matches 00:06:30.

RFC 7042 describes 48-bit MAC identifiers as an assigned initial prefix followed by additional bits, and explains the Group and Local bits. When checking a captured address, compare its first three octets with 00:06:30; a match supports the assignment lookup, while the remaining three octets do not reveal a device type from these records. The IEEE CSV record gives no assignment date.

Registry assignment

Adtranz Sweden — 00:06:30 (MA-L) [Confirmed]

Device category

Unknown from supplied records [Unknown]

Prefix boundary

First 24 bits; compare the first three octets [Confirmed]

Group and Local bits

Both zero for this exact prefix [Confirmed]

Company

Adtranz Sweden [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Registry

MA-L [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Prefix

00:06:30 [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv

Device type

Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv