MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1A:F7:00:00:00 /24
Vendor addressAn der Hülshorst 7-9 Lübeck DE 23568
Country🇩🇪 Germany
RegisteredJan 6, 2007
Block range00:1A:F7:00:00:00– 00:1A:F7: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 →
Example addresses in this block
Where this block sits
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00:1A:F6:00:00:00 /24
Woven Systems, Inc.
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00:1A:F8:00:00:00 /24
Copley Controls Corporation
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
dataschalt e+a GmbH holds 1 registered blocks in the IEEE registry, ranking #9,914 of 33,427 organizations by block count.