MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixE4:D3:AA:00:00:00 /24
Vendor addressSanki Yamato Building, 7-10-1 Chuorinkan Yamato Kanagawa JP 242-8588
Country🇯🇵 Japan
RegisteredSep 7, 2018
Block rangeE4:D3:AA:00:00:00– E4:D3:AA: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
- Sep 7, 2018 – Jul 16, 2022 FUJITSU CONNECTED TECHNOLOGIES LIMITED name changed
- Jul 16, 2022 – Jan 17, 2024 FCNT LMITED name changed
- Jan 17, 2024 – present FCNT LLC
Example addresses in this block
Where this block sits
FCNT LLC holds 3 registered blocks in the IEEE registry, ranking #1,043 of 33,427 organizations by block count.
Other blocks registered to FCNT LLC