MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:25:D4:00:00:00 /24
Vendor address150 Rustcraft Road Dedham MA US 02026
Country🇺🇸 United States
RegisteredApr 12, 2009
Block range00:25:D4:00:00:00– 00:25:D4: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
- Apr 12, 2009 – Mar 31, 2016 Fortress Technologies name changedaddress changed
- Mar 31, 2016 – present General Dynamics Mission Systems
Example addresses in this block
Where this block sits
Previous
00:25:D3:00:00:00 /24
AzureWave Technology Inc.
Next
00:25:D5:00:00:00 /24
Robonica (Pty) Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
General Dynamics Mission Systems holds 3 registered blocks in the IEEE registry, ranking #1,065 of 33,427 organizations by block count.
Other blocks registered to General Dynamics Mission Systems