MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1D:49:00:00:00 /24
Vendor address4F-1, NO.81, SHUEILI RD. HSINCHU TW 30059
Country🇹🇼 Taiwan
RegisteredAug 18, 2007
Block range00:1D:49:00:00:00– 00:1D:49: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
00:1D:48:00:00:00 /24
Sensor-Technik Wiedemann GmbH
Next
00:1D:4A:00:00:00 /24
Carestream Health, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Innovation Wireless Inc. holds 1 registered blocks in the IEEE registry, ranking #16,134 of 33,421 organizations by block count.