MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1F:22:00:00:00 /24
Vendor address20550 Nordhoff Street Chatsworth CA US 91311
Country🇺🇸 United States
RegisteredDec 31, 2007
Block range00:1F:22:00:00:00– 00:1F:22: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
- Dec 31, 2007 – Oct 28, 2011 Fiberxon, Inc. name changedaddress changed
- Oct 28, 2011 – present Source Photonics, Inc.
Example addresses in this block
Where this block sits
Previous
00:1F:21:00:00:00 /24
Inner Mongolia Yin An Science & Technology Development Co.,L
Next
00:1F:23:00:00:00 /24
DGS Diagnostics A/S
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Source Photonics, Inc. holds 2 registered blocks in the IEEE registry, ranking #3,122 of 33,427 organizations by block count.
Other blocks registered to Source Photonics, Inc.