MAC Address Lookup

IBM Corp 00:04:AC

00:04:AC is a 24-bit MA-L MAC address block registered to IBM Corp in US.

Vendor

IBM Corp

MA-L · 24-bit
00:04:AC

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:04:AC
Match
MA-L assignment
Address range
00:04:AC:00:00:00 – 00:04:AC:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
3039 E Cornwallis Road Research Triangle Park NC US 27709-2195
First registered
Apr 22, 1998

Formats

  • Plain hex 0004AC
  • Colon-separated 00:04:AC
  • Hyphen-separated 00-04-AC
  • Cisco dot notation 0004.AC

Prefix lineage

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

  1. IBM CORP. CE6A/664 Apr 22, 1998
  2. IBM CORP. Sep 8, 2000