00:21:91 D-Link Corporation
Every MAC address from 00:21:91:00:00:00 to 00:21:91:FF:FF:FF belongs to a block the IEEE assigned to D-Link Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:91 belongs to
Written 00:21:91, 00-21-91 or 002191, depending on the system. Look up a full address.
Prefix
00:21:91
Organization
D-Link Corporation
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:91:00:00:00
Last address
00:21:91:FF:FF:FF
Address type
Globally unique, unicast
Registered address
NO.289, Sinhu 3rd Rd., Neihu District, Taipei City TW 114
Same organization
Other blocks assigned to D-Link Corporation
26 more blocks registered under the same name.