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MAC prefix F8:34:51

Assigned by the IEEE to Comcast-SRL.

Prefix
F8:34:51   F8-34-51   F834.51
Block type
MA-L (16,777,216 addresses)
Address range
F8:34:51:00:00:00 – F8:34:51:FF:FF:FF
Organization
Comcast-SRL
Registered address
Alejo Martinez 17, Sosua Puerto Plata 34443, DO
Country
Dominican Republic (DO)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up F8:34:51:00:00:00

Comcast-SRL holds 1 block in total: see all. Source: IEEE Registration Authority public listing.