HTTPfy

MAC prefix 04:9F:81

Assigned by the IEEE to NETSCOUT SYSTEMS INC.

Prefix
04:9F:81   04-9F-81   049F.81
Block type
MA-L (16,777,216 addresses)
Address range
04:9F:81:00:00:00 – 04:9F:81:FF:FF:FF
Organization
NETSCOUT SYSTEMS INC
Registered address
310 Littleton Road, Westford MA 01886, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 04:9F:81:00:00:00

NETSCOUT SYSTEMS INC holds 4 blocks in total: see all. Source: IEEE Registration Authority public listing.