00:00:1F Telco Systems, Inc.
Every MAC address from 00:00:1F:00:00:00 to 00:00:1F:FF:FF:FF belongs to a block the IEEE assigned to Telco Systems, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:00:1F belongs to
Written 00:00:1F, 00-00-1F or 00001F, depending on the system. Look up a full address.
Prefix
00:00:1F
Organization
Telco Systems, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:00:1F:00:00:00
Last address
00:00:1F:FF:FF:FF
Address type
Globally unique, unicast
Registered address
15 Berkshire Road Mansfield MA US 02048