MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:15:F7:00:00:00 /24
Vendor addressNo. 716, 11F-3, Jung Jeng Rd. Chung Ho City Taipei Hsien TW 235
Country🇹🇼 Taiwan
RegisteredSep 28, 2005
Block range00:15:F7:00:00:00– 00:15:F7: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
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00:15:F6:00:00:00 /24
SCIENCE AND ENGINEERING SERVICES, INC.
Next
00:15:F8:00:00:00 /24
Kingtronics Industrial Co. Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Wintecronics Ltd. holds 2 registered blocks in the IEEE registry, ranking #3,428 of 33,427 organizations by block count.
Other blocks registered to Wintecronics Ltd.