MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix1C:59:74:A0:00:00 /28
Vendor address1001 East Delavan Ave. Buffalo NY US 14215
Country🇺🇸 United States
RegisteredFeb 20, 2022
Block range1C:59:74:A0:00:00– 1C:59:74:AF: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 →
Ownership timeline
- Feb 20, 2022 – Aug 25, 2023 Council Rock name changedaddress changed
- Aug 25, 2023 – Aug 29, 2023 Viridi name changed
- Aug 29, 2023 – present Viridi Parente, Inc.
Example addresses in this block
Where this block sits
Previous
1C:59:74:90:00:00 /28
Shanghai Laisi Information Technology Co.,Ltd
Next
1C:59:74:B0:00:00 /28
Beijing Flintec Electronic Technology Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Viridi Parente, Inc. holds 2 registered blocks in the IEEE registry, ranking #3,375 of 33,427 organizations by block count.
Other blocks registered to Viridi Parente, Inc.