MAC Address Lookup
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Annapurna labs 4C:81:BE:2

4C:81:BE:2 is a 28-bit MA-M MAC address block registered to Annapurna labs in IL.

Vendor

Annapurna labs

MA-M · 28-bit
4C:81:BE:2

Unicast · Universally administered (U/L bit clear)

Matched prefix
4C:81:BE:2
Match
MA-M assignment
Address range
4C:81:BE:20:00:00 – 4C:81:BE:2F:FF:FF
Addresses in block
1,048,576
Country
IL
Organization address
Matam Scientific Industries Center, Building 8.2 Mail box 15123 Haifa IL 3508409
First registered
2 Oct 2026

Formats

  • Plain hex 4C81BE2
  • Colon-separated 4C:81:BE:2
  • Hyphen-separated 4C-81-BE-2
  • Cisco dot notation 4C81.BE2

One of Annapurna labs's 157 registered blocks; together they span 259 million. Unlike the classic 24-bit OUI, a MA-M assignment covers 1 million addresses.

More blocks from Annapurna labs

View all prefixes

Adjacent prefixes

  • 4C:81:BEIEEE Registration Authority
  • 4C:81:BE:4Suzhou APAQI Robotics Technology Co., Ltd.

Registered the same year