macadress

ION Geophysical Corporation Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:17:D7:00:00:00 /24
Vendor address850 Dorothy Richardson Texas US 75081
Country🇺🇸  United States
RegisteredApr 8, 2006
Block range00:17:D7:00:00:00– 00:17:D7: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. Apr 8, 2006 – Dec 31, 2007 Input/Output Inc. name changedaddress changed
  2. Dec 31, 2007 – Feb 9, 2008 ION GEOPHYSICAL name changed
  3. Feb 9, 2008 – present ION Geophysical Corporation Inc.

Example addresses in this block

00:17:D7:00:00:00 00:17:D7:7F:FF:FF 00:17:D7:FF:FF:FF

Where this block sits

Previous 00:17:D6:00:00:00 /24 Bluechips Microhouse Co.,Ltd. Next 00:17:D8:00:00:00 /24 Magnum Semiconductor, Inc.

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

ION Geophysical Corporation Inc. holds 1 registered blocks in the IEEE registry, ranking #16,568 of 33,421 organizations by block count.