04:58:5D:3 REXXON GmbH
Every MAC address from 04:58:5D:30:00:00 to 04:58:5D:3F:FF:FF belongs to a block the IEEE assigned to REXXON GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 04:58:5D:3 belongs to
Written 04:58:5D:3, 04-58-5D-3 or 04585D3, depending on the system. Look up a full address.
Prefix
04:58:5D:3/28
Organization
REXXON GmbH
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
04:58:5D:30:00:00
Last address
04:58:5D:3F:FF:FF
Address type
Globally unique, unicast
Registered address
"Mads-Clausen-Str. 7 Flensburg Schleswig-Holstein DE 24939
Parent block
Inside 04:58:5D
This MA-M block is carved from the 24-bit block 04:58:5D, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.