MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix40:5E:CF:00:00:00 /24
Vendor addressD-147, Okhla Industrial Area, Phase - 1 New Delhi Delhi IN 110020
Country🇮🇳 India
RegisteredFeb 22, 2025
Block range40:5E:CF:00:00:00– 40:5E:CF: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
Esconet Technologies Limited holds 1 registered blocks in the IEEE registry, ranking #12,069 of 33,421 organizations by block count.