MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:12:E6:00:00:00 /24
Vendor address6F., No. 92, Nanking E. Rd. Sec. 5, Taipei TW 105
Country🇹🇼 Taiwan
RegisteredNov 26, 2004
Block range00:12:E6:00:00:00– 00:12:E6: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 →
Example addresses in this block
Where this block sits
Previous
00:12:E5:00:00:00 /24
Time America, Inc.
Next
00:12:E7:00:00:00 /24
Projectek Networking Electronics Corp.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
SPECTEC COMPUTER CO., LTD. holds 1 registered blocks in the IEEE registry, ranking #28,159 of 33,427 organizations by block count.