MAC Address Lookup

Hewlett Packard 00:21:5A

00:21:5A is a 24-bit MA-L MAC address block registered to Hewlett Packard in US.

Vendor

Hewlett Packard

MA-L · 24-bit
00:21:5A

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:21:5A
Match
MA-L assignment
Address range
00:21:5A:00:00:00 – 00:21:5A:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
20555 State Highway 249 Houston TX US 77070
First registered
Jun 18, 2008

Formats

  • Plain hex 00215A
  • Colon-separated 00:21:5A
  • Hyphen-separated 00-21-5A
  • Cisco dot notation 0021.5A

Prefix lineage

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

  1. Hewlett Packard Jun 18, 2008
  2. Hewlett-Packard Company Jun 15, 2011
  3. Hewlett Packard Oct 10, 2015