MAC prefix D8:58:D7
CZ.NIC, z.s.p.o.
| Vendor | CZ.NIC, z.s.p.o. |
|---|---|
| Short name | CZNICzspo |
| Prefix | D8:58:D7/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | D8:58:D7:00:00:00 – D8:58:D7:FF:FF:FF |
| Notations | D8:58:D7:00:00:00D8-58-D7-00-00-00d858.d700.0000D858D7000000 |
Frequently asked questions
Which vendor does MAC address D8:58:D7 belong to?
MAC addresses starting with D8:58:D7 are assigned to CZ.NIC, z.s.p.o. according to the IEEE registry (prefix length 24 bits).
How many addresses does block D8:58:D7 contain?
The block contains 16,777,216 addresses from D8:58:D7:00:00:00 to D8:58:D7:FF:FF:FF.
Is D8:58:D7 a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).
How do I find the MAC address of my device?
On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.