VIETNAM POST AND TELECOMMUNICATION INDUSTRY TECHNOLOGY JOINT STOCK COMPANY

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixCC:71:90:00:00:00 /24

Vendor addressHIGH TECH INDUSTRIAL ZONE I,HOA LAC, HIGH TECH PARK, HA BANG, THACH THAT HANOI Hanoi VN 100000

RegisteredJul 31, 2021

Block rangeCC:71:90:00:00:00– CC:71:90: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 →

Example addresses in this block

CC:71:90:00:00:00 CC:71:90:7F:FF:FF CC:71:90:FF:FF:FF

Where this block sits

VIETNAM POST AND TELECOMMUNICATION INDUSTRY TECHNOLOGY JOINT STOCK COMPANY holds 1 registered blocks in the IEEE registry, ranking #31,484 of 33,421 organizations by block count.