MAC Address Lookup

KOKUSAI DENKI Electric Inc. 00:40:31

00:40:31 is a 24-bit MA-L MAC address block registered to KOKUSAI DENKI Electric Inc. in JP.

Vendor

KOKUSAI DENKI Electric Inc.

MA-L · 24-bit
00:40:31

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:40:31
Match
MA-L assignment
Address range
00:40:31:00:00:00 – 00:40:31:FF:FF:FF
Addresses in block
16,777,216
Country
JP
Organization address
32 Miyuki-cho Kodaira-shi Tokyo JP 00000
First registered
Sep 8, 2000

Formats

  • Plain hex 004031
  • Colon-separated 00:40:31
  • Hyphen-separated 00-40-31
  • Cisco dot notation 0040.31

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. KOKUSAI ELECTRIC CO., LTD Sep 8, 2000
  2. Hitachi Kokusai Electric, Inc. Oct 26, 2024
  3. Hitachi Kokusai Jan 15, 2025
  4. KOKUSAI DENKI Electric Inc. Jan 17, 2025