D4:25:CC:3 EISST Ltd
Every MAC address from D4:25:CC:30:00:00 to D4:25:CC:3F:FF:FF belongs to a block the IEEE assigned to EISST Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:25:CC:3 belongs to
Written D4:25:CC:3, D4-25-CC-3 or D425CC3, depending on the system. Look up a full address.
Prefix
D4:25:CC:3/28
Organization
EISST Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
D4:25:CC:30:00:00
Last address
D4:25:CC:3F:FF:FF
Address type
Globally unique, unicast
Registered address
10 Queen Street Place London GB EC4R 1AG
Parent block
Inside D4:25:CC
This MA-M block is carved from the 24-bit block D4:25:CC, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.