MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix74:F8:DB:30:00:00 /28
Vendor address5850 Hellyer Ave San Jose CA US 95138
Country🇺🇸 United States
RegisteredOct 16, 2015
Block range74:F8:DB:30:00:00– 74:F8:DB:3F: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
- Oct 16, 2015 – Sep 12, 2021 InnoTrans Communications name changed
- Sep 12, 2021 – present ATX
Example addresses in this block
Where this block sits
Previous
74:F8:DB:20:00:00 /28
Shenzhen Ruishi Information Technology Co.,Ltd.
Next
74:F8:DB:40:00:00 /28
WiFi Hotspots, SL
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ATX holds 2 registered blocks in the IEEE registry, ranking #1,555 of 33,427 organizations by block count.
Other blocks registered to ATX