Google, Inc.
CID
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:A1:19:00:00:00 /24
Vendor address1600 Amphitheatre Parkway Mountain View CA US 94043
Country🇺🇸 United States
Block rangeDA:A1:19:00:00:00– DA:A1:19: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
Other blocks registered to Google, Inc.
00:1A:11:00:00:00 /24
MA-L
00:F6:20:00:00:00 /24
MA-L
04:00:6E:00:00:00 /24
MA-L
04:C8:B0:00:00:00 /24
MA-L
08:8B:C8:00:00:00 /24
MA-L
08:9E:08:00:00:00 /24
MA-L
08:B4:B1:00:00:00 /24
MA-L
0C:C4:13:00:00:00 /24
MA-L
10:D9:A2:00:00:00 /24
MA-L
14:22:3B:00:00:00 /24
MA-L
14:C1:4E:00:00:00 /24
MA-L
1C:53:F9:00:00:00 /24
MA-L