MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:15:30:00:00:00 /24
Vendor address176 South Street Hopkinton MA US 01748
Country🇺🇸 United States
RegisteredJul 21, 2005
Block range00:15:30:00:00:00– 00:15:30: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
- Jul 21, 2005 – Jan 30, 2013 Bus-Tech, Inc. name changedaddress changed
- Jan 30, 2013 – Jan 31, 2013 EMC Corporation name changedaddress changed
- Jan 31, 2013 – Feb 14, 2013 Bus-Tech, Inc. name changedaddress changed
- Feb 14, 2013 – Jul 27, 2017 EMC Corporation name changedaddress changed
- Jul 27, 2017 – present Dell EMC
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Dell EMC holds 8 registered blocks in the IEEE registry, ranking #371 of 33,421 organizations by block count.
Other blocks registered to Dell EMC