National Radio & Telecommunication Corporation - NRTC
MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix04:D1:6E:B0:00:00 /28
Vendor addressHouse 420, Street 13, Chaklala Scheme 3 Rawalpindi Islamabad PK 46000
Country🇵🇰 Pakistan
Block range04:D1:6E:B0:00:00– 04:D1:6E:BF: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
Other blocks registered to National Radio & Telecommunication Corporation - NRTC