MAC Address Lookup

NTT DOCOMO BUSINESS, Inc. 34:EF:8B

34:EF:8B is a 24-bit MA-L MAC address block registered to NTT DOCOMO BUSINESS, Inc. in JP.

Vendor

NTT DOCOMO BUSINESS, Inc.

MA-L · 24-bit
34:EF:8B

Unicast · Universally administered (U/L bit clear)

Matched prefix
34:EF:8B
Match
MA-L assignment
Address range
34:EF:8B:00:00:00 – 34:EF:8B:FF:FF:FF
Addresses in block
16,777,216
Country
JP
Organization address
NTT DOCOMO BUSINESS Karagasaki Bldg. 1-11-7 Chuo-cho Meguro-ku Tokyo JP 152-0001
First registered
Nov 6, 2009

Formats

  • Plain hex 34EF8B
  • Colon-separated 34:EF:8B
  • Hyphen-separated 34-EF-8B
  • Cisco dot notation 34EF.8B

Prefix lineage

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

  1. NTT Communications Corporation Nov 6, 2009
  2. NTT DOCOMO BUSINESS, Inc. Sep 18, 2025