MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix20:0D:3D:00:00:00 /24
Vendor addressBuilding 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District Shanghai CN 200233
Country🇨🇳 China
RegisteredSep 18, 2025
Block range20:0D:3D:00:00:00– 20:0D:3D:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Sep 18, 2025 – Jun 9, 2026 Quectel Wireless Solutions Co., Ltd. name changed
- Jun 9, 2026 – present Quectel Wireless Solutions Co.,Ltd.
Example addresses in this block
Where this block sits
Quectel Wireless Solutions Co.,Ltd. holds 75 registered blocks in the IEEE registry, ranking #50 of 33,427 organizations by block count.
Other blocks registered to Quectel Wireless Solutions Co.,Ltd.
00:9B:08:00:00:00 /24
MA-L
00:9C:17:00:00:00 /24
MA-L
00:D6:CB:00:00:00 /24
MA-L
04:86:80:00:00:00 /24
MA-L
0C:58:7B:00:00:00 /24
MA-L
14:80:CC:00:00:00 /24
MA-L
18:CE:DF:00:00:00 /24
MA-L
24:19:72:00:00:00 /24
MA-L
24:21:5E:00:00:00 /24
MA-L
2C:C6:82:00:00:00 /24
MA-L
2C:F8:EC:00:00:00 /24
MA-L
34:87:3D:00:00:00 /24
MA-L