38:91:D5 Hangzhou H3C Technologies Co., Limited
Every MAC address from 38:91:D5:00:00:00 to 38:91:D5:FF:FF:FF belongs to a block the IEEE assigned to Hangzhou H3C Technologies Co., Limited. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 38:91:D5 belongs to
Written 38:91:D5, 38-91-D5 or 3891D5, depending on the system. Look up a full address.
Prefix
38:91:D5
Organization
Hangzhou H3C Technologies Co., Limited
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
38:91:D5:00:00:00
Last address
38:91:D5:FF:FF:FF
Address type
Globally unique, unicast
Registered address
466 Changhe Road, Binjiang District Hangzhou Zhejiang, P.R.China CN 310052
Same organization
Other blocks assigned to Hangzhou H3C Technologies Co., Limited
26 more blocks registered under the same name.