MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix64:33:B5:90:00:00 /28
Vendor addressMatam Scientific Industries Center, Building 8.2 Mail box 15123 Haifa IL 3508409
Country🇮🇱 Israel
RegisteredJun 16, 2021
Block range64:33:B5:90:00:00– 64:33:B5:9F:FF:FF
Address capacity1,048,576
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 →
Example addresses in this block
Where this block sits
Previous
64:33:B5:80:00:00 /28
LACO Technologies
Next
64:33:B5:A0:00:00 /28
Hometek Eletronics Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Annapurna labs holds 157 registered blocks in the IEEE registry, ranking #23 of 33,421 organizations by block count.
Other blocks registered to Annapurna labs
18:96:77:00:00:00 /24
MA-L
28:87:5F:00:00:00 /24
MA-L
30:8B:23:00:00:00 /24
MA-L
50:62:45:00:00:00 /24
MA-L
54:A3:56:00:00:00 /24
MA-L
F8:F2:95:00:00:00 /24
MA-L
00:69:67:00:00:00 /28
MA-M
00:6A:5E:90:00:00 /28
MA-M
00:6A:5E:A0:00:00 /28
MA-M
00:8D:F4:60:00:00 /28
MA-M
04:A1:6F:80:00:00 /28
MA-M
04:C9:8B:40:00:00 /28
MA-M