- Prefix
- 00:1F:03 00-1F-03 001F.03
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:1F:03:00:00:00 – 00:1F:03:FF:FF:FF
- Organization
- NUM AG
- Registered address
- Battenhusstrasse 16, Teufen AR 9053, CH
- Country
- Switzerland (CH)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:1F:03:00:00:00
NUM AG holds 1 block in total: see all. Source: IEEE Registration Authority public listing.