macadress

SKY UK LIMITED

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:19:FB:00:00:00 /24
Vendor address130 Kings Road Brentwood Essex GB 08854
Country🇬🇧  United Kingdom
RegisteredOct 16, 2006
Block range00:19:FB:00:00:00– 00:19:FB: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. Oct 16, 2006 – Dec 23, 2010 AMSTRAD PLC name changed
  2. Dec 23, 2010 – Apr 10, 2022 BSkyB Ltd name changed
  3. Apr 10, 2022 – present SKY UK LIMITED

Example addresses in this block

00:19:FB:00:00:00 00:19:FB:7F:FF:FF 00:19:FB:FF:FF:FF

Where this block sits

Previous 00:19:FA:00:00:00 /24 Cable Vision Electronics CO., LTD. Next 00:19:FC:00:00:00 /24 PT. Ufoakses Sukses Luarbiasa

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

SKY UK LIMITED holds 40 registered blocks in the IEEE registry, ranking #95 of 33,427 organizations by block count.

Other blocks registered to SKY UK LIMITED

00:A3:88:00:00:00 /24 MA-L 04:81:9B:00:00:00 /24 MA-L 04:B8:6A:00:00:00 /24 MA-L 0C:F9:C0:00:00:00 /24 MA-L 14:08:05:00:00:00 /24 MA-L 1C:46:D1:00:00:00 /24 MA-L 20:47:ED:00:00:00 /24 MA-L 24:A7:DC:00:00:00 /24 MA-L 38:A6:CE:00:00:00 /24 MA-L 3C:45:7A:00:00:00 /24 MA-L 3C:89:94:00:00:00 /24 MA-L 3C:9E:C7:00:00:00 /24 MA-L