macadress

Arcadyan Corporation

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:23:08:00:00:00 /24
Vendor address4F, No. 9, Park Avenue II , Hsinchu TW 300
Country🇹🇼  Taiwan
RegisteredJul 30, 2008
Block range00:23:08:00:00:00– 00:23:08: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

  1. Jul 30, 2008 – Mar 10, 2026 Arcadyan Technology Corporation name changed
  2. Mar 10, 2026 – present Arcadyan Corporation

Example addresses in this block

00:23:08:00:00:00 00:23:08:7F:FF:FF 00:23:08:FF:FF:FF

Where this block sits

Previous 00:23:07:00:00:00 /24 FUTURE INNOVATION TECH CO.,LTD Next 00:23:09:00:00:00 /24 Janam Technologies LLC

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

Arcadyan Corporation holds 90 registered blocks in the IEEE registry, ranking #38 of 33,427 organizations by block count.

Other blocks registered to Arcadyan Corporation

00:12:BF:00:00:00 /24 MA-L 00:1A:2A:00:00:00 /24 MA-L 00:1D:19:00:00:00 /24 MA-L 00:26:4D:00:00:00 /24 MA-L 04:09:86:00:00:00 /24 MA-L 04:70:56:00:00:00 /24 MA-L 04:A2:22:00:00:00 /24 MA-L 08:27:A8:00:00:00 /24 MA-L 0C:8E:29:00:00:00 /24 MA-L 18:58:80:00:00:00 /24 MA-L 18:60:41:00:00:00 /24 MA-L 18:82:8C:00:00:00 /24 MA-L