MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:09:28:00:00:00 /24
Vendor address1800 North Glenville Richardson TX US 75081
Country🇺🇸 United States
RegisteredMar 29, 2002
Block range00:09:28:00:00:00– 00:09:28: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
- Mar 29, 2002 – Jun 23, 2009 Telecore Inc name changed
- Jun 23, 2009 – present Telecore
Example addresses in this block
Where this block sits
Previous
00:09:27:00:00:00 /24
TOYOKEIKI CO.,LTD.
Next
00:09:29:00:00:00 /24
Sanyo Industries (UK) Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Telecore holds 1 registered blocks in the IEEE registry, ranking #29,527 of 33,427 organizations by block count.