00:21:5F IHSE GmbH
Every MAC address from 00:21:5F:00:00:00 to 00:21:5F:FF:FF:FF belongs to a block the IEEE assigned to IHSE GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:5F belongs to
Written 00:21:5F, 00-21-5F or 00215F, depending on the system. Look up a full address.
Prefix
00:21:5F
Organization
IHSE GmbH
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:5F:00:00:00
Last address
00:21:5F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Maybachstraße 11 Oberteuringen Baden-Württemberg DE 88094