MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:48:50:00 /36
Vendor address154E Brook Drive, Milton Park Abingdon GB OX14 4SD
Country🇬🇧 United Kingdom
RegisteredJul 26, 2020
Block range70:B3:D5:48:50:00– 70:B3:D5:48:5F: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 →
Example addresses in this block
Where this block sits
Previous
70:B3:D5:48:40:00 /36
Hermann Sewerin GmbH
Next
70:B3:D5:48:60:00 /36
ChongQing JianTao Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
CLARESYS LIMITED holds 1 registered blocks in the IEEE registry, ranking #8,545 of 33,421 organizations by block count.