MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix98:5F:4F:00:00:00 /24
Vendor addressNo. 118, Chunsun East Road, Xishan Economic Development Zone (Dongting) Wuxi Jiangsu CN 214101
Country🇨🇳 China
RegisteredNov 10, 2021
Block range98:5F:4F:00:00:00– 98:5F:4F:FF:FF:FF
Address capacity16,777,216
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
Tongfang Computer Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #3,276 of 33,427 organizations by block count.