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.
Prefix5A:03:BA:00:00:00 /24
Vendor address5000 Executive Parkway, Suite 302 San Ramon CA SG 94583
Country🇸🇬 Singapore
RegisteredApr 24, 2020
Block range5A:03:BA:00:00:00– 5A:03:BA: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
- Apr 24, 2020 – Mar 15, 2025 Wireless Broadband Alliance Ltd name changedaddress changed
- Mar 15, 2025 – present Wireless Broadband Alliance, Inc
Example addresses in this block
Where this block sits
Wireless Broadband Alliance, Inc holds 3 registered blocks in the IEEE registry, ranking #1,394 of 33,427 organizations by block count.
Other blocks registered to Wireless Broadband Alliance, Inc