MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:55:DA:00:00:00 /24
Vendor address445 Hoes Lane Piscataway NJ US 08554
Country🇺🇸 United States
RegisteredJul 31, 2015
Block range00:55:DA:00:00:00– 00:55:DA: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
- Jul 31, 2015 – Apr 14, 2016 IEEE REGISTRATION AUTHORITY - Please see MAM public listing for more information. name changedaddress changed
- Apr 14, 2016 – present IEEE Registration Authority
Example addresses in this block
Where this block sits
IEEE Registration Authority holds 439 registered blocks in the IEEE registry, ranking #8 of 33,427 organizations by block count.
Other blocks registered to IEEE Registration Authority
00:1B:C5:00:00:00 /24
MA-L
00:50:C2:00:00:00 /24
MA-L
00:69:67:00:00:00 /24
MA-L
00:6A:5E:00:00:00 /24
MA-L
00:8D:F4:00:00:00 /24
MA-L
04:11:19:00:00:00 /24
MA-L
04:58:5D:00:00:00 /24
MA-L
04:71:4B:00:00:00 /24
MA-L
04:A1:6F:00:00:00 /24
MA-L
04:C3:E6:00:00:00 /24
MA-L
04:C9:8B:00:00:00 /24
MA-L
04:D1:6E:00:00:00 /24
MA-L