MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:09:F9:90:00:00 /28
Vendor address4F., No.118, Gongye 9th Rd., Dali Dist., Taichung City Taiwan TW 412
Country🇹🇼 Taiwan
RegisteredMay 13, 2018
Block range30:09:F9:90:00:00– 30:09:F9:9F: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 →
Example addresses in this block
Where this block sits
Previous
30:09:F9:80:00:00 /28
essence security
Next
30:09:F9:A0:00:00 /28
Shenzhen Tencent Computer System Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Bonraybio holds 1 registered blocks in the IEEE registry, ranking #7,255 of 33,427 organizations by block count.