- Prefix
- B4:1D:EF B4-1D-EF B41D.EF
- Block type
- MA-L (16,777,216 addresses)
- Address range
- B4:1D:EF:00:00:00 – B4:1D:EF:FF:FF:FF
- Organization
- Internet Laboratories, Inc.
- Registered address
- P.O. Box 7697, Atlanta GA 30357, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up B4:1D:EF:00:00:00
Internet Laboratories, Inc. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.