MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:F5:00:00:00 /24
Vendor addressC/ María Tubau Nº 5 Bajo B Madrid ES 28050
Country🇪🇸 Spain
RegisteredApr 8, 2007
Block range00:1B:F5:00:00:00– 00:1B:F5: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 8, 2007 – Nov 7, 2009 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Nov 7, 2009 – Feb 6, 2010 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Feb 6, 2010 – Aug 24, 2010 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Aug 24, 2010 – Aug 25, 2010 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Aug 25, 2010 – Nov 17, 2011 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Nov 17, 2011 – Nov 18, 2011 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Nov 18, 2011 – Sep 17, 2012 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Sep 17, 2012 – Nov 29, 2012 Tellink Sistemas de TelecomunicaciÃÂÃÂÃÂón S.L. name changedaddress changed
- Nov 29, 2012 – Aug 27, 2015 Tellink Sistemas de Telecomunicación S.L. name changedaddress changed
- Aug 27, 2015 – present Tellink Sistemas de Telecomunicación S.L.
Example addresses in this block
Where this block sits
Previous
00:1B:F4:00:00:00 /24
KENWIN INDUSTRIAL(HK) LTD.
Next
00:1B:F6:00:00:00 /24
CONWISE Technology Corporation Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Tellink Sistemas de Telecomunicación S.L. holds 1 registered blocks in the IEEE registry, ranking #29,648 of 33,427 organizations by block count.