MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixCC:9F:7A:00:00:00 /24
Vendor addressNo.4, Minsheng St., Tucheng District New Taipei City TW 23678
Country🇹🇼 Taiwan
RegisteredSep 27, 2016
Block rangeCC:9F:7A:00:00:00– CC:9F:7A: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 27, 2016 – Dec 8, 2022 Chiun Mai Communication Systems, Inc name changed
- Dec 8, 2022 – present Chiun Mai Communication System, Inc
Example addresses in this block
Where this block sits
Chiun Mai Communication System, Inc holds 6 registered blocks in the IEEE registry, ranking #484 of 33,427 organizations by block count.
Other blocks registered to Chiun Mai Communication System, Inc