DELTA NETWORKS (XIAMEN) LIMITED
MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix04:C9:8B:80:00:00 /28
Vendor addressUnit A-3, No. 03, 8th Floor, Building D, Xiamen International Shipping Center, No. 97 Xiangyu Road, Xiamen Area of China (Fujian) Pilot Free Trade Zone Xiamen Fujian CN 361026
Country🇨🇳 China
Block range04:C9:8B:80:00:00– 04:C9:8B:8F: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