MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:F4:C0:00 /36
Vendor addressHI Park 445 Herning Herning DK 7400
Country🇩🇰 Denmark
RegisteredFeb 15, 2015
Block range70:B3:D5:F4:C0:00– 70:B3:D5:F4:CF: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
- Feb 15, 2015 – Nov 21, 2019 Global Lightning Protection Services A(S name changed
- Nov 21, 2019 – present Polytech A/S
Example addresses in this block
Where this block sits
Previous
70:B3:D5:F4:B0:00 /36
Chengdu Lingya Technology Co., Ltd.
Next
70:B3:D5:F4:D0:00 /36
Honeywell
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Polytech A/S holds 2 registered blocks in the IEEE registry, ranking #2,748 of 33,427 organizations by block count.
Other blocks registered to Polytech A/S