macadress

TP-Link Systems Inc

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA8:42:A1:00:00:00 /24
Vendor address5 Peters Canyon Rd Suit 300 Irvine CA US 92606
Country🇺🇸  United States
RegisteredJul 20, 2023
Block rangeA8:42:A1:00:00:00– A8:42:A1: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. Jul 20, 2023 – Mar 13, 2025 TP-Link Corporation Limited name changed
  2. Mar 13, 2025 – present TP-Link Systems Inc

Example addresses in this block

A8:42:A1:00:00:00 A8:42:A1:7F:FF:FF A8:42:A1:FF:FF:FF

Where this block sits

Next A8:42:A7:00:00:00 /24 Jiangsu Huitong Group Co.,Ltd.

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

TP-Link Systems Inc. holds 95 registered blocks in the IEEE registry, ranking #36 of 33,427 organizations by block count.

Other blocks registered to TP-Link Systems Inc

00:31:92:00:00:00 /24 MA-L 00:5F:67:00:00:00 /24 MA-L 10:27:F5:00:00:00 /24 MA-L 14:EB:B6:00:00:00 /24 MA-L 1C:61:B4:00:00:00 /24 MA-L 20:23:51:00:00:00 /24 MA-L 20:36:26:00:00:00 /24 MA-L 24:2F:D0:00:00:00 /24 MA-L 28:87:BA:00:00:00 /24 MA-L 30:DE:4B:00:00:00 /24 MA-L 34:60:F9:00:00:00 /24 MA-L 3C:52:A1:00:00:00 /24 MA-L