macadress

D-Link International

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix1C:AF:F7:00:00:00 /24
Vendor address1 INTERNATIONAL BUSINESS PARK, SINGAPORE SG 609917
Country🇸🇬  Singapore
RegisteredSep 12, 2009
Block range1C:AF:F7:00:00:00– 1C:AF:F7: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 →

Ownership timeline

  1. Sep 12, 2009 – Oct 1, 2015 D-LINK INTERNATIONAL PTE LIMITED name changed
  2. Oct 1, 2015 – present D-Link International

Example addresses in this block

1C:AF:F7:00:00:00 1C:AF:F7:7F:FF:FF 1C:AF:F7:FF:FF:FF

Where this block sits

D-Link International holds 60 registered blocks in the IEEE registry, ranking #60 of 33,421 organizations by block count.

Other blocks registered to D-Link International

00:AD:24:00:00:00 /24 MA-L 08:5A:11:00:00:00 /24 MA-L 0C:0E:76:00:00:00 /24 MA-L 0C:B6:D2:00:00:00 /24 MA-L 10:62:EB:00:00:00 /24 MA-L 10:BE:F5:00:00:00 /24 MA-L 14:D6:4D:00:00:00 /24 MA-L 18:0F:76:00:00:00 /24 MA-L 1C:5F:2B:00:00:00 /24 MA-L 1C:7E:E5:00:00:00 /24 MA-L 1C:BD:B9:00:00:00 /24 MA-L 28:10:7B:00:00:00 /24 MA-L