MAC Address Lookup

OPTO-22 00:A0:3D

00:A0:3D is a 24-bit MA-L MAC address block registered to OPTO-22 in US.

Vendor

OPTO-22

MA-L · 24-bit
00:A0:3D

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:A0:3D
Match
MA-L assignment
Address range
00:A0:3D:00:00:00 – 00:A0:3D:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
43044 BUSINESS PARK DR. TEMECULA CA US 92590
First registered
Apr 22, 1998

Formats

  • Plain hex 00A03D
  • Colon-separated 00:A0:3D
  • Hyphen-separated 00-A0-3D
  • Cisco dot notation 00A0.3D

Prefix lineage

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

  1. OPTO - 22 Apr 22, 1998
  2. OPTO-22 Jun 5, 2002