MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix18:48:59:00:00:00 /24
Vendor address5th Fl., No.159-1, Sec.3, Beishen Rd., Shenkeng Dist., New Taipei City TW 222004
Country🇹🇼 Taiwan
RegisteredJan 16, 2021
Block range18:48:59:00:00:00– 18:48:59: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
Castlenet Technology Inc. holds 5 registered blocks in the IEEE registry, ranking #560 of 33,427 organizations by block count.
Other blocks registered to Castlenet Technology Inc.