D4:C9:EF Hewlett Packard
Every MAC address from D4:C9:EF:00:00:00 to D4:C9:EF:FF:FF:FF belongs to a block the IEEE assigned to Hewlett Packard. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:C9:EF belongs to
Written D4:C9:EF, D4-C9-EF or D4C9EF, depending on the system. Look up a full address.
Prefix
D4:C9:EF
Organization
Hewlett Packard
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D4:C9:EF:00:00:00
Last address
D4:C9:EF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
11445 Compaq Center Drive Houston US 77070
Same organization
Other blocks assigned to Hewlett Packard
149 more blocks registered under the same name.
00:01:E600:01:E700:02:A500:04:EA00:08:0200:08:8300:08:C700:0A:5700:0B:CD00:0D:9D00:0E:7F00:0E:B300:0F:2000:0F:6100:10:8300:10:E300:11:0A00:11:8500:12:7900:13:2100:14:C200:15:6000:16:3500:17:0800:17:A400:18:7100:18:FE00:19:BB00:1A:4B00:1B:7800:1C:C400:1E:0B00:1F:2900:21:5A00:22:6400:23:7D00:24:8100:25:B300:26:5500:30:6E00:30:C100:50:8B00:60:B000:80:5F00:80:A000:9C:0208:00:0908:2E:5F10:1F:7410:60:4B10:62:E510:E7:C614:58:D018:60:2418:A9:051C:C1:DE24:BE:0528:80:2328:92:4A2C:23:3A2C:27:D72C:41:382C:44:FD2C:59:E52C:76:8A30:8D:9930:E1:7134:64:A938:63:BB38:EA:A73C:4A:923C:52:823C:A8:2A3C:D9:2B40:A8:F040:B0:3444:1E:A144:31:9248:0F:CF48:BA:4E50:65:F358:20:B15C:8A:385C:B9:0164:31:5064:51:0668:B5:996C:3B:E56C:C2:1770:5A:0F74:46:A078:48:5978:AC:C078:E3:B578:E7:D180:C1:6E80:CE:6280:E8:2C84:34:9784:A9:3E88:51:FB8C:DC:D494:57:A598:4B:E198:E7:F49C:7B:EF9C:8E:999C:B6:54A0:1D:48A0:2B:B8A0:48:1CA0:8C:FDA0:B3:CCA0:D3:C1A4:5D:36AC:16:2DAC:E2:D3B0:0C:D1B0:5A:DAB4:99:BAB4:B5:2FB4:B6:86B8:AF:67BC:EA:FAC4:34:6BC4:65:16C8:CB:B8C8:D3:FFC8:D9:D2CC:3E:5FD0:7E:28D0:BF:9CD4:85:64D8:9D:67D8:D3:85DC:4A:3EE4:11:5BE4:E7:49E8:39:35EC:8E:B5EC:9A:74EC:B1:D7F0:92:1CF4:30:B9F4:39:09F4:CE:46F8:B4:6AFC:15:B4FC:3F:DB