MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixE0:DC:A0:00:00:00 /24
Vendor addressTianyuan Road 99 Cheng Du Si Chuan CN 611731
Country🇨🇳 China
RegisteredMar 12, 2013
Block rangeE0:DC:A0:00:00:00– E0:DC:A0: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
- Mar 12, 2013 – Sep 2, 2016 Siemens Electrical Apparatus Ltd., Suzhou Chengdu Branch name changedaddress changed
- Sep 2, 2016 – Nov 23, 2022 Siemens Industrial Automation Products Ltd Chengdu name changed
- Nov 23, 2022 – present Siemens Industrial Automation Products Ltd., Chengdu
Example addresses in this block
Where this block sits
Siemens Industrial Automation Products Ltd., Chengdu holds 5 registered blocks in the IEEE registry, ranking #644 of 33,427 organizations by block count.
Other blocks registered to Siemens Industrial Automation Products Ltd., Chengdu