- Prefix
- E4:AF:A1 E4-AF-A1 E4AF.A1
- Block type
- MA-L (16,777,216 addresses)
- Address range
- E4:AF:A1:00:00:00 – E4:AF:A1:FF:FF:FF
- Organization
- HES-SO
- Registered address
- Case postale 2134, Sion 1950, CH
- Country
- Switzerland (CH)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up E4:AF:A1:00:00:00
HES-SO holds 1 block in total: see all. Source: IEEE Registration Authority public listing.