MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:A0:21:00:00:00 /24
Vendor address150 Rustcraft Road Dedham MA US 02026
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:A0:21:00:00:00– 00:A0:21: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 GTE GOVERNMENT SYSTEMS CORP. name changedaddress changed
- Sep 8, 2000 – Nov 19, 2004 GENERAL DYNAMICS- name changedaddress changed
- Nov 19, 2004 – Dec 23, 2017 General Dynamics name changedaddress changed
- Dec 23, 2017 – present General Dynamics Mission Systems
Example addresses in this block
Where this block sits
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00:A0:20:00:00:00 /24
CITICORP/TTI
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00:A0:22:00:00:00 /24
CENTRE FOR DEVELOPMENT OF ADVANCED COMPUTING
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
General Dynamics Mission Systems holds 3 registered blocks in the IEEE registry, ranking #1,065 of 33,427 organizations by block count.
Other blocks registered to General Dynamics Mission Systems