macadress

Navionics Research Inc., dba SCADAmetrics

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1D:C8:00:00:00 /24
Vendor address1133 Pond Road Wildwood Missouri US 63038
Country🇺🇸  United States
RegisteredSep 25, 2007
Block range00:1D:C8:00:00:00– 00:1D:C8: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

  1. Sep 25, 2007 – Mar 28, 2013 ScadaMetrcs, LLC. name changedaddress changed
  2. Mar 28, 2013 – present Navionics Research Inc., dba SCADAmetrics

Example addresses in this block

00:1D:C8:00:00:00 00:1D:C8:7F:FF:FF 00:1D:C8:FF:FF:FF

Where this block sits

Previous 00:1D:C7:00:00:00 /24 L-3 Communications Geneva Aerospace Next 00:1D:C9:00:00:00 /24 GainSpan Corp.

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

Navionics Research Inc., dba SCADAmetrics holds 1 registered blocks in the IEEE registry, ranking #20,738 of 33,427 organizations by block count.