MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD0:14:11:B0:00:00 /28
Vendor addressR603,6F.,NO.168,Sec.2,Fuxing 3rd.Rd. Zhubei City,Hsinchu County TW 30273
Country🇹🇼 Taiwan
RegisteredMay 7, 2020
Block rangeD0:14:11:B0:00:00– D0:14:11:BF:FF:FF
Address capacity1,048,576
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
- May 7, 2020 – Jul 18, 2020 CYLTek Co.,LTD. name changed
- Jul 18, 2020 – present CYLTek Limited
Example addresses in this block
Where this block sits
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D0:14:11:A0:00:00 /28
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D0:14:11:C0:00:00 /28
Shen Zhen HaiHe Hi-Tech Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CYLTek Limited holds 1 registered blocks in the IEEE registry, ranking #9,614 of 33,421 organizations by block count.