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.
PrefixDA:9D:49:00:00:00 /24
Vendor address2777 Orchard Pkwy San Jose CA US 95131
Country🇺🇸 United States
RegisteredFeb 18, 2022
Block rangeDA:9D:49:00:00:00– DA:9D:49: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 →
Example addresses in this block
Where this block sits
Calix Inc. holds 24 registered blocks in the IEEE registry, ranking #144 of 33,498 organizations by block count.
Other blocks registered to Calix Inc.
00:06:31:00:00:00 /24
MA-L
04:BC:9F:00:00:00 /24
MA-L
10:03:CD:00:00:00 /24
MA-L
10:74:C5:00:00:00 /24
MA-L
10:7E:59:00:00:00 /24
MA-L
14:21:03:00:00:00 /24
MA-L
1C:8B:76:00:00:00 /24
MA-L
34:C2:29:00:00:00 /24
MA-L
40:E7:62:00:00:00 /24
MA-L
44:65:7F:00:00:00 /24
MA-L
48:77:46:00:00:00 /24
MA-L
4C:43:41:00:00:00 /24
MA-L