MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix04:E1:C8:00:00:00 /24
Vendor addressAv. Bernardino Silveira Pastoriza, 720 Porto Alegre RS BR 91160-310
Country🇧🇷 Brazil
RegisteredMar 18, 2011
Block range04:E1:C8:00:00:00– 04:E1:C8: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 18, 2011 – Nov 17, 2011 IMS Solu��es em Energia Ltda. name changed
- Nov 17, 2011 РNov 18, 2011 IMS Solṳ̵es em Energia Ltda. name changed
- Nov 18, 2011 – Sep 17, 2012 IMS Soluções em Energia Ltda. name changed
- Sep 17, 2012 – Nov 29, 2012 IMS SoluÃÂçÃÂões em Energia Ltda. name changed
- Nov 29, 2012 РAug 27, 2015 IMS Solṳ̵es em Energia Ltda. name changedaddress changed
- Aug 27, 2015 – present IMS Soluções em Energia Ltda.
Example addresses in this block
Where this block sits
IMS Soluções em Energia Ltda. holds 1 registered blocks in the IEEE registry, ranking #15,818 of 33,427 organizations by block count.