MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix1C:88:79:10:00:00 /28
Vendor addressPryzmaty 6/8 Warszawa PL 02-226
Country🇵🇱 Poland
RegisteredOct 31, 2015
Block range1C:88:79:10:00:00– 1C:88:79:1F:FF:FF
Address capacity1,048,576
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
- Oct 31, 2015 – May 7, 2020 ANDRA Sp. z o.o. name changed
- May 7, 2020 – present ANDRA Sp. z o. o.
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.
ANDRA Sp. z o. o. holds 2 registered blocks in the IEEE registry, ranking #1,508 of 33,421 organizations by block count.
Other blocks registered to ANDRA Sp. z o. o.