MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:60:D3:00:00:00 /24
Vendor address3300 E Renner Road Richardson TX US 75082
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:60:D3:00:00:00– 00:60:D3: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 →
Example addresses in this block
Where this block sits
Previous
00:60:D2:00:00:00 /24
LUCENT TECHNOLOGIES TAIWAN TELECOMMUNICATIONS CO., LTD.
Next
00:60:D4:00:00:00 /24
ELDAT COMMUNICATION LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
AT&T holds 6 registered blocks in the IEEE registry, ranking #470 of 33,421 organizations by block count.
Other blocks registered to AT&T