MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixA0:C5:F2:90:00:00 /28
Vendor address1 Raffles Place, #44-08 Raffles Place Singapore SG 048616
Country🇸🇬 Singapore
RegisteredMar 5, 2017
Block rangeA0:C5:F2:90:00:00– A0:C5:F2:9F: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
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Impulse Networks Pte Ltd holds 2 registered blocks in the IEEE registry, ranking #2,247 of 33,427 organizations by block count.
Other blocks registered to Impulse Networks Pte Ltd