MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix9C:54:40:00:00:00 /24
Vendor addressC3 floor, software park, No. 219, Tianhua Second Road Chengdu Tianfu Avenue, high tech Zone CN 610041
Country🇨🇳 China
RegisteredSep 12, 2021
Block range9C:54:40:00:00:00– 9C:54:40: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 →
Ownership timeline
- Sep 12, 2021 – Sep 2, 2022 Private name changedaddress changedcountry changed
- Sep 2, 2022 – present ChengDu TD Tech
Example addresses in this block
Where this block sits
ChengDu TD Tech holds 2 registered blocks in the IEEE registry, ranking #1,721 of 33,427 organizations by block count.
Other blocks registered to ChengDu TD Tech