MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:C0:AB:00:00:00 /24
Vendor address15 Berkshire Road Mansfield MA US 02048
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:C0:AB:00:00:00– 00:C0:AB: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 →
Ownership timeline
- Apr 22, 1998 – Sep 8, 2000 JUPITER TECHNOLOGY, INC. name changedaddress changed
- Sep 8, 2000 – present Telco Systems, Inc.
Example addresses in this block
Where this block sits
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00:C0:AA:00:00:00 /24
SILICON VALLEY COMPUTER
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00:C0:AC:00:00:00 /24
GAMBIT COMPUTER COMMUNICATIONS
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Telco Systems, Inc. holds 6 registered blocks in the IEEE registry, ranking #534 of 33,427 organizations by block count.
Other blocks registered to Telco Systems, Inc.