D8:58:D7 CZ.NIC, z.s.p.o.
Every MAC address from D8:58:D7:00:00:00 to D8:58:D7:FF:FF:FF belongs to a block the IEEE assigned to CZ.NIC, z.s.p.o.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D8:58:D7 belongs to
Written D8:58:D7, D8-58-D7 or D858D7, depending on the system. Look up a full address.
Prefix
D8:58:D7
Organization
CZ.NIC, z.s.p.o.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D8:58:D7:00:00:00
Last address
D8:58:D7:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Americka 23 Prague CZ 12000