MAC Address Lookup

PSI Software SE, 00:05:DB

00:05:DB is a 24-bit MA-L MAC address block registered to PSI Software SE, in DE.

Vendor

PSI Software SE,

MA-L · 24-bit
00:05:DB

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:05:DB
Match
MA-L assignment
Address range
00:05:DB:00:00:00 – 00:05:DB:FF:FF:FF
Addresses in block
16,777,216
Country
DE
Organization address
Ostring 6 Karlsruhe DE 76131
First registered
Jun 4, 2001

Formats

  • Plain hex 0005DB
  • Colon-separated 00:05:DB
  • Hyphen-separated 00-05-DB
  • Cisco dot notation 0005.DB

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Nentec GmbH Jun 4, 2001
  2. NENTEC Netzwerktechnologie GmbH Dec 31, 2007
  3. PSI Nentec GmbH Jun 12, 2010
  4. PSI Software SE, Dec 12, 2025