MAC Address Lookup

AltoBeam Inc. 9C:1C:37

9C:1C:37 is a 24-bit MA-L MAC address block registered to AltoBeam Inc. in CN.

Vendor

AltoBeam Inc.

MA-L · 24-bit
9C:1C:37

Unicast · Universally administered (U/L bit clear)

Matched prefix
9C:1C:37
Match
MA-L assignment
Address range
9C:1C:37:00:00:00 – 9C:1C:37:FF:FF:FF
Addresses in block
16,777,216
Country
CN
Organization address
B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian Beijing Beijing CN 100083
First registered
Feb 11, 2021

Formats

  • Plain hex 9C1C37
  • Colon-separated 9C:1C:37
  • Hyphen-separated 9C-1C-37
  • Cisco dot notation 9C1C.37

Prefix lineage

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

  1. AltoBeam (China) Inc. Feb 11, 2021
  2. AltoBeam Inc. Jun 16, 2026