MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:03:9D:00:00:00 /24
Vendor address157 Shan Ying Road GueiShan Taoyuan TW 333
Country🇹🇼 Taiwan
RegisteredNov 9, 2000
Block range00:03:9D:00:00:00– 00:03:9D: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
- Nov 9, 2000 – Jun 5, 2002 Acer Communications & Multimedia, Inc. name changedaddress changedcountry changed
- Jun 5, 2002 – Feb 9, 2008 BENQ CORPORATION name changedaddress changed
- Feb 9, 2008 – present Qisda Corporation
Example addresses in this block
Where this block sits
Previous
00:03:9C:00:00:00 /24
OptiMight Communications, Inc.
Next
00:03:9E:00:00:00 /24
Tera System Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Qisda Corporation holds 8 registered blocks in the IEEE registry, ranking #384 of 33,421 organizations by block count.
Other blocks registered to Qisda Corporation