List of valid Vendor ID in Vendor ID payload

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http://serverfault.com – I have some logs from a VPN with line like this one:    Ignoring Vendor ID payload [4a131c8107035845...] Can I use the hexadecimal code there to identify what kind of hardware attempted to establish a VPN with my hardware? If so, where can I found the list of possible Vendor ID (I cannot find one using google...). (HowTos)