GIGA-BYTE TECHNOLOGY CO.,LTD.

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix00:1D:7D:00:00:00 /24

Vendor addressPin-Jen City, Taoyuan, Taiwan, R.O.C. Pin-Jen Taoyuan TW 324

RegisteredAug 18, 2007

Block range00:1D:7D:00:00:00– 00:1D:7D:FF:FF:FF

Address capacity16,777,216

AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority

TransmissionUnicast: addressed to a single device

SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

Aug 18, 2007 – Feb 9, 2008 GIGABYTE TECHNOLOGY CO.,LTD. name changed
Feb 9, 2008 – present GIGA-BYTE TECHNOLOGY CO.,LTD.

Example addresses in this block

00:1D:7D:00:00:00 00:1D:7D:7F:FF:FF 00:1D:7D:FF:FF:FF

Where this block sits

Previous 00:1D:7C:00:00:00 /24 ABE Elettronica S.p.A. Next 00:1D:7E:00:00:00 /24 Cisco-Linksys, LLC

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

GIGA-BYTE TECHNOLOGY CO.,LTD. holds 25 registered blocks in the IEEE registry, ranking #141 of 33,421 organizations by block count.

Other blocks registered to GIGA-BYTE TECHNOLOGY CO.,LTD.

00:0F:EA:00:00:00 /24 MA-L 00:16:E6:00:00:00 /24 MA-L 00:1A:4D:00:00:00 /24 MA-L 00:1F:D0:00:00:00 /24 MA-L 00:24:1D:00:00:00 /24 MA-L 10:FF:E0:00:00:00 /24 MA-L 18:C0:4D:00:00:00 /24 MA-L 1C:1B:0D:00:00:00 /24 MA-L 1C:6F:65:00:00:00 /24 MA-L 40:8D:5C:00:00:00 /24 MA-L 50:E5:49:00:00:00 /24 MA-L 6C:F0:49:00:00:00 /24 MA-L