MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix7C:BF:77:00:00:00 /24
Vendor addressNo. 568, Sec. 1, Minsheng N. Rd., Guishan Dist., Taoyuan City 338, Taiwan Taoyuan TW 338
Country🇹🇼 Taiwan
RegisteredJul 6, 2023
Block range7C:BF:77:00:00:00– 7C:BF:77: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
- Jul 6, 2023 – Nov 12, 2024 SPEEDTECH CORP. name changed
- Nov 12, 2024 – Jan 14, 2025 SPEEDTECH CORP. JIO name changed
- Jan 14, 2025 – present SPEEDTECH CORP.
Example addresses in this block
Where this block sits
SPEEDTECH CORP. holds 4 registered blocks in the IEEE registry, ranking #856 of 33,427 organizations by block count.
Other blocks registered to SPEEDTECH CORP.