macadress

Wise Ally Holdings Limited

MA-S
MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:A3:10:00 /36
Vendor addressUnit 3203-3207 , Tower 1 , Enterprise Square Five , 38 Wang Chiu Road Hong Kong Kowloon Bay HK 852
Country🇭🇰  Hong Kong
RegisteredSep 13, 2020
Block range70:B3:D5:A3:10:00– 70:B3:D5:A3:1F:FF
Address capacity4,096
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 13, 2020 – Sep 10, 2022 Private name changedaddress changedcountry changed
  2. Sep 10, 2022 – present Wise Ally Holdings Limited

Example addresses in this block

70:B3:D5:A3:10:00 70:B3:D5:A3:17:FF 70:B3:D5:A3:1F:FF

Where this block sits

Previous 70:B3:D5:A3:00:00 /36 SHEN ZHEN HUAWANG TECHNOLOGY CO; LTD Next 70:B3:D5:A3:20:00 /36 Toughdog Security Systems

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

Wise Ally Holdings Limited holds 1 registered blocks in the IEEE registry, ranking #32,349 of 33,427 organizations by block count.