MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:11:33:00:00:00 /24
Vendor addressSiemensstrasse 90-92 Vienna AT 1210
Country🇦🇹 Austria
RegisteredApr 25, 2004
Block range00:11:33:00:00:00– 00:11:33: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 25, 2004 – Mar 27, 2018 Siemens Austria SIMEA name changedaddress changed
- Mar 27, 2018 – present Siemens AG Austria
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.
Siemens AG Austria holds 2 registered blocks in the IEEE registry, ranking #3,061 of 33,421 organizations by block count.
Other blocks registered to Siemens AG Austria