A8:3F:A1 IEEE Registration Authority
Every MAC address from A8:3F:A1:00:00:00 to A8:3F:A1:FF:FF:FF belongs to a block the IEEE assigned to IEEE Registration Authority. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A8:3F:A1 belongs to
Written A8:3F:A1, A8-3F-A1 or A83FA1, depending on the system. Look up a full address.
Prefix
A8:3F:A1
Organization
IEEE Registration Authority
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A8:3F:A1:00:00:00
Last address
A8:3F:A1:FF:FF:FF
Address type
Globally unique, unicast
Registered address
445 Hoes Lane Piscataway NJ US 08554
Sub-assignments
Smaller blocks inside A8:3F:A1
The IEEE splits this block into 15 smaller assignments.
A8:3F:A1:0/28 Imecon Engineering SrLA8:3F:A1:1/28 GTDevice LLCA8:3F:A1:2/28 MEDCAPTAIN MEDICAL TECHNOLOGY CO., LTD.A8:3F:A1:3/28 Guangzhou Tupu Internet Technology…A8:3F:A1:4/28 Zhejiang Wellsun Intelligent…A8:3F:A1:5/28 Sercomm Corporation.A8:3F:A1:6/28 BEGLECA8:3F:A1:7/28 Plejd ABA8:3F:A1:8/28 Neos Ventures LimitedA8:3F:A1:9/28 Shenzhen ITLONG Intelligent Technology…A8:3F:A1:A/28 Shanghai East China Computer Co., LtdA8:3F:A1:B/28 Exel s.r.l. unipersonaleA8:3F:A1:C/28 Laonz Co.,LtdA8:3F:A1:D/28 Shenzhen BIO I/E Co.,LtdA8:3F:A1:E/28 Guangzhou Navigateworx Technologies…
Same organization
Other blocks assigned to IEEE Registration Authority
438 more blocks registered under the same name, the first 300 shown.
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