MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:14:13:00:00:00 /24
Vendor addressWilhelm Hennemann Straße 13 Schwerin Mecklenburg-Vorpommern DE 19061
Country🇩🇪 Germany
RegisteredMar 22, 2005
Block range00:14:13:00:00:00– 00:14:13: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
- Mar 22, 2005 – Jan 30, 2013 Trebing & Himstedt Prozessautomation GmbH & Co. KG name changedaddress changed
- Jan 30, 2013 – Jan 31, 2013 Trebing & Himstedt ProzeÃautomation GmbH & Co. KG name changedaddress changed
- Jan 31, 2013 – Feb 14, 2013 Trebing & Himstedt Prozessautomation GmbH & Co. KG name changedaddress changed
- Feb 14, 2013 – Aug 27, 2015 Trebing & Himstedt ProzeÃautomation GmbH & Co. KG name changedaddress changed
- Aug 27, 2015 – present Trebing & Himstedt Prozeßautomation GmbH & Co. KG
Example addresses in this block
Where this block sits
Previous
00:14:12:00:00:00 /24
S-TEC electronics AG
Next
00:14:14:00:00:00 /24
Jumpnode Systems LLC.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Trebing & Himstedt Prozeßautomation GmbH & Co. KG holds 1 registered blocks in the IEEE registry, ranking #30,458 of 33,427 organizations by block count.