MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix8C:1F:64:27:70:00 /36
Vendor addressAngstrom Excellence Building, No. 1310,Guanguang Road,Longhua District Shenzhen Guangdong CN 518110
Country🇨🇳 China
RegisteredMar 1, 2025
Block range8C:1F:64:27:70:00– 8C:1F:64:27:7F: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
- Mar 1, 2025 – Jun 26, 2025 FAST PHOTONICS HK CO., LIMITED name changedaddress changedcountry changed
- Jun 26, 2025 – present Shenzhen Angstrom Excellence Technology Co., Ltd
Example addresses in this block
Where this block sits
Previous
8C:1F:64:27:50:00 /36
IDA North America Inc.
Next
8C:1F:64:27:A0:00 /36
Rudolf Riester GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Angstrom Excellence Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #26,210 of 33,427 organizations by block count.