macadress

Hangzhou H3C Technologies Co., Limited

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:23:89:00:00:00 /24
Vendor addressOriental Electronics Bldg., #2, Chuangye Road£¬Shangdi Information Industry Base, Beijing US 100085
Country🇺🇸  United States
RegisteredOct 8, 2008
Block range00:23:89:00:00:00– 00:23:89: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 8, 2008 – Feb 19, 2016 HANGZHOU H3C Technologies Co., Ltd. name changedaddress changed
  2. Feb 19, 2016 – present Hangzhou H3C Technologies Co., Limited

Example addresses in this block

00:23:89:00:00:00 00:23:89:7F:FF:FF 00:23:89:FF:FF:FF

Where this block sits

Previous 00:23:88:00:00:00 /24 V.T. Telematica S.p.a. Next 00:23:8A:00:00:00 /24 Ciena Corporation

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

Hangzhou H3C Technologies Co., Limited holds 27 registered blocks in the IEEE registry, ranking #128 of 33,427 organizations by block count.

Other blocks registered to Hangzhou H3C Technologies Co., Limited

00:0F:E2:00:00:00 /24 MA-L 0C:DA:41:00:00:00 /24 MA-L 38:22:D6:00:00:00 /24 MA-L 38:91:D5:00:00:00 /24 MA-L 38:97:D6:00:00:00 /24 MA-L 3C:8C:40:00:00:00 /24 MA-L 3C:E5:A6:00:00:00 /24 MA-L 48:7A:DA:00:00:00 /24 MA-L 50:DA:00:00:00:00 /24 MA-L 58:66:BA:00:00:00 /24 MA-L 58:6A:B1:00:00:00 /24 MA-L 5C:DD:70:00:00:00 /24 MA-L