macadress

UNION MAN TECHNOLOGY CO.,LTD

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA0:1C:87:00:00:00 /24
Vendor addressNo.5,Huitai Road,Huinan High-Tech Park,Huiao Highway Huizhou Guangdong CN 516025
Country🇨🇳  China
RegisteredSep 30, 2021
Block rangeA0:1C:87:00:00:00– A0:1C:87: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 30, 2021 – Jan 13, 2023 UNIONMAN TECHNOLOGY CO.,LTD name changed
  2. Jan 13, 2023 – present UNION MAN TECHNOLOGY CO.,LTD

Example addresses in this block

A0:1C:87:00:00:00 A0:1C:87:7F:FF:FF A0:1C:87:FF:FF:FF

Where this block sits

Next A0:1C:8D:00:00:00 /24 HUAWEI TECHNOLOGIES CO.,LTD

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

UNION MAN TECHNOLOGY CO.,LTD holds 13 registered blocks in the IEEE registry, ranking #247 of 33,427 organizations by block count.

Other blocks registered to UNION MAN TECHNOLOGY CO.,LTD

00:19:F0:00:00:00 /24 MA-L 3C:0C:DB:00:00:00 /24 MA-L 40:F4:FD:00:00:00 /24 MA-L 48:CA:C6:00:00:00 /24 MA-L 54:72:5E:00:00:00 /24 MA-L 64:E0:AB:00:00:00 /24 MA-L 8C:BA:25:00:00:00 /24 MA-L A8:BD:3A:00:00:00 /24 MA-L CC:62:FE:00:00:00 /24 MA-L D4:38:44:00:00:00 /24 MA-L F4:D9:C6:00:00:00 /24 MA-L F8:14:FE:00:00:00 /24 MA-L