- Current owner
- IBM Corp
- Former owners
- 4
- Blocks
- 20
- Addresses
- 336 million
Former owners: IBM CORPORATION × 8 · IBM × 5 · BLADE Network Technology × 4 · IBM CORPORATION CE6A/664 × 3
| Prefix | Former owner | Block | Addresses | First observed |
|---|---|---|---|---|
| 00:22:00 | BLADE Network Technology | MA-L | 16.8 million | 18 Jun 2008 |
| 00:25:03 | BLADE Network Technology | MA-L | 16.8 million | 25 Jan 2009 |
| 08:17:F4 | BLADE Network Technology | MA-L | 16.8 million | 18 Sep 2010 |
| FC:CF:62 | BLADE Network Technology | MA-L | 16.8 million | 26 Jan 2010 |
| 00:14:5E | IBM | MA-L | 16.8 million | 14 Apr 2005 |
| 00:21:5E | IBM | MA-L | 16.8 million | 18 Jun 2008 |
| 00:50:76 | IBM | MA-L | 16.8 million | 8 Sep 2000 |
| 5C:F3:FC | IBM | MA-L | 16.8 million | 7 Oct 2010 |
| E4:1F:13 | IBM | MA-L | 16.8 million | 12 Aug 2009 |
| 00:02:55 | IBM CORPORATION | MA-L | 16.8 million | 8 Sep 2000 |
| 00:06:29 | IBM CORPORATION | MA-L | 16.8 million | 22 Apr 1998 |
| 00:09:6B | IBM CORPORATION | MA-L | 16.8 million | 29 Mar 2002 |
| 00:0D:60 | IBM CORPORATION | MA-L | 16.8 million | 1 Jun 2003 |
| 00:11:25 | IBM CORPORATION | MA-L | 16.8 million | 25 Apr 2004 |
| 00:20:35 | IBM CORPORATION | MA-L | 16.8 million | 22 Apr 1998 |
| 08:00:5A | IBM CORPORATION | MA-L | 16.8 million | 22 Apr 1998 |
| 10:00:5A | IBM CORPORATION | MA-L | 16.8 million | 22 Apr 1998 |
| 00:20:35 | IBM CORPORATION CE6A/664 | MA-L | 16.8 million | 22 Apr 1998 |
| 08:00:5A | IBM CORPORATION CE6A/664 | MA-L | 16.8 million | 22 Apr 1998 |
| 10:00:5A | IBM CORPORATION CE6A/664 | MA-L | 16.8 million | 22 Apr 1998 |