macadress

ChengDu TD Tech

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixD0:A0:D6:00:00:00 /24
Vendor addressC3 floor, software park, No. 219, Tianhua Second Road Chengdu Tianfu Avenue, high tech Zone CN 610041
Country🇨🇳  China
RegisteredMay 10, 2014
Block rangeD0:A0:D6:00:00:00– D0:A0:D6: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

  1. May 10, 2014 – Jul 24, 2021 Chengdu TD Tech Ltd. name changed
  2. Jul 24, 2021 – Aug 26, 2021 TÃœV Rheinland (China) Ltd. name changed
  3. Aug 26, 2021 – Aug 27, 2021 TD Tech name changed
  4. Aug 27, 2021 – Aug 28, 2021 Chengdu TD Tech Ltd. name changedaddress changed
  5. Aug 28, 2021 – Aug 29, 2021 TD Tech name changedaddress changed
  6. Aug 29, 2021 – Sep 12, 2021 Cheng Du TD Tech name changed
  7. Sep 12, 2021 – present ChengDu TD Tech

Example addresses in this block

D0:A0:D6:00:00:00 D0:A0:D6:7F:FF:FF D0:A0:D6:FF:FF:FF

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

9C:54:40:00:00:00 /24 MA-L