CID: a Company ID, not a MAC OUI. It identifies an organization for use in other IEEE 802 protocols, most commonly locally administered ELI-quadrant addresses, rather than being burned into hardware directly.
PrefixFA:66:73:00:00:00 /24
Vendor addressTHAPASYA, KALAPARAMBATH (H), MATHILAKAM P.O THRISSUR KERALA IN 680685
RegisteredDec 13, 2019
Block rangeFA:66:73:00:00:00– FA:66:73:FF:FF:FF
Address capacity16,777,216
AdministrationLocally administered: set by software, not burned into hardware
TransmissionUnicast: addressed to a single device
IEEE 802c quadrantELI: Extended Local Identifier
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. Dec 13, 2019 – Dec 17, 2019 NES (NELLS ELECTRONIC SYSTEMS) name changed
  2. Dec 17, 2019 – present NELLS ELECTRONIC SYSTEMS (NES)

Example addresses in this block

Where this block sits

NELLS ELECTRONIC SYSTEMS (NES) holds 1 registered blocks in the IEEE registry, ranking #20,831 of 33,427 organizations by block count.