MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0D:97:00:00:00 /24
Vendor address901 Main Campus Drive Raleigh NC US 27606
Country🇺🇸 United States
RegisteredJul 23, 2003
Block range00:0D:97:00:00:00– 00:0D:97: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 23, 2003 – Jul 24, 2015 Tropos Networks, Inc. name changed
- Jul 24, 2015 – Oct 20, 2023 ABB Inc./Tropos name changedaddress changed
- Oct 20, 2023 – present Hitachi Energy USA Inc.
Example addresses in this block
Where this block sits
Previous
00:0D:96:00:00:00 /24
Vtera Technology Inc.
Next
00:0D:98:00:00:00 /24
S.W.A.C. Schmitt-Walter Automation Consult GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Hitachi Energy USA Inc. holds 1 registered blocks in the IEEE registry, ranking #14,923 of 33,427 organizations by block count.