MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:30:11:00:00:00 /24
Vendor addressP O Box 4126 SE SE-300 04
Country🇸🇪 Sweden
RegisteredSep 8, 2000
Block range00:30:11:00:00:00– 00:30:11: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
- Sep 8, 2000 – Oct 26, 2011 HMS FIELDBUS SYSTEMS AB name changedaddress changed
- Oct 26, 2011 – present HMS Industrial Networks
Example addresses in this block
Where this block sits
Previous
00:30:10:00:00:00 /24
VISIONETICS INTERNATIONAL
Next
00:30:12:00:00:00 /24
DIGITAL ENGINEERING LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HMS Industrial Networks holds 5 registered blocks in the IEEE registry, ranking #586 of 33,427 organizations by block count.
Other blocks registered to HMS Industrial Networks