MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:10:25:00:00:00 /24
Vendor address561 Hillgrove Ave LaGrange IL US 60525
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:10:25:00:00:00– 00:10:25: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
- Apr 22, 1998 – Dec 31, 2007 GRAYHILL INC. name changedaddress changed
- Dec 31, 2007 – present Grayhill, Inc
Example addresses in this block
Where this block sits
Previous
00:10:24:00:00:00 /24
NAGOYA ELECTRIC WORKS CO., LTD
Next
00:10:26:00:00:00 /24
ACCELERATED NETWORKS, INC.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Grayhill, Inc holds 1 registered blocks in the IEEE registry, ranking #13,924 of 33,421 organizations by block count.