MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1E:D4:00:00:00 /24
Vendor address85 Walnut St Watertown MA US 02472
Country🇺🇸 United States
RegisteredNov 20, 2007
Block range00:1E:D4:00:00:00– 00:1E: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
- Nov 20, 2007 – Feb 9, 2008 Doble Engineering Company name changed
- Feb 9, 2008 – Aug 24, 2013 Doble Engineering name changed
- Aug 24, 2013 – May 23, 2014 2Wire, Inc. name changed
- May 23, 2014 – present Doble Engineering
Example addresses in this block
Where this block sits
Previous
00:1E:D3:00:00:00 /24
Dot Technology Int'l Co., Ltd.
Next
00:1E:D5:00:00:00 /24
Tekon-Automatics
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Doble Engineering holds 3 registered blocks in the IEEE registry, ranking #1,007 of 33,421 organizations by block count.
Other blocks registered to Doble Engineering