MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:60:BB:00:00:00 /24
Vendor address35 INDUSTRIAL WAY ROCHESTER NH US 03866-5005
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:60:BB:00:00:00– 00:60:BB: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 NETLINK, INC. name changedaddress changed
- Sep 8, 2000 – Nov 3, 2015 CABLETRON - NETLINK, INC. name changedaddress changed
- Nov 3, 2015 – present Cabletron Systems, Inc.
Example addresses in this block
Where this block sits
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00:60:BA:00:00:00 /24
SAHARA NETWORKS, INC.
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00:60:BC:00:00:00 /24
KeunYoung Electronics & Communication Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Cabletron Systems, Inc. holds 5 registered blocks in the IEEE registry, ranking #558 of 33,421 organizations by block count.
Other blocks registered to Cabletron Systems, Inc.