HTTPfy

MAC prefix 34:0F:66

Assigned by the IEEE to Web Sensing LLC.

Prefix
34:0F:66   34-0F-66   340F.66
Block type
MA-L (16,777,216 addresses)
Address range
34:0F:66:00:00:00 – 34:0F:66:FF:FF:FF
Organization
Web Sensing LLC
Registered address
P.O. Box 692, Hanover NH 03755, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 34:0F:66:00:00:00

Web Sensing LLC holds 1 block in total: see all. Source: IEEE Registration Authority public listing.