MAC Address Lookup

ENT-EMPRESA NACIONAL DE TELECOMMUNICACOES, S.A. 00:90:CD

00:90:CD is a 24-bit MA-L MAC address block registered to ENT-EMPRESA NACIONAL DE TELECOMMUNICACOES, S.A. in PT.

Vendor

ENT-EMPRESA NACIONAL DE TELECOMMUNICACOES, S.A.

MA-L · 24-bit
00:90:CD

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:90:CD
Match
MA-L assignment
Address range
00:90:CD:00:00:00 – 00:90:CD:FF:FF:FF
Addresses in block
16,777,216
Country
PT
Organization address
R. ENG FREDERICO ULRICH - APARTADO 3081 Guardeiras - 4470 Moreira Maia PT
First registered
Sep 8, 2000

Formats

  • Plain hex 0090CD
  • Colon-separated 00:90:CD
  • Hyphen-separated 00-90-CD
  • Cisco dot notation 0090.CD

Prefix lineage

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

  1. ENT-EMPRESA NACIONAL Sep 8, 2000
  2. ENT-EMPRESA NACIONAL DE TELECOMMUNICACOES, S.A. Jun 5, 2002