MAC Address Lookup

Kentrox, LLC 00:20:5B

00:20:5B is a 24-bit MA-L MAC address block registered to Kentrox, LLC in US.

Vendor

Kentrox, LLC

MA-L · 24-bit
00:20:5B

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:20:5B
Match
MA-L assignment
Address range
00:20:5B:00:00:00 – 00:20:5B:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
20010 NW Tanasbourne Dr. Hillsboro OR US 97124
First registered
Apr 22, 1998

Formats

  • Plain hex 00205B
  • Colon-separated 00:20:5B
  • Hyphen-separated 00-20-5B
  • Cisco dot notation 0020.5B

Prefix lineage

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

  1. SKYLINE TECHNOLOGY Apr 22, 1998
  2. Kentrox, LLC Feb 12, 2004