Fujian Landfone Information Technology Co.,Ltd
MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:91:A0:00 /36
Vendor addressRoom 305, third floor，NO.550,Western suburbs Industrial Road,Hongshan Town,Gulou District,Fuzhou,P.R.China Fuzhou Fujian CN 350001
Country🇨🇳 China
Block range70:B3:D5:91:A0:00– 70:B3:D5:91:AF:FF
Address capacity4,096
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