Kind-ID,Kind,Reference
0x0,INVALID,[RFC6940]
0x1,SIP-REGISTRATION,[RFC7904]
0x2,TURN-SERVICE,[RFC6940]
0x3,CERTIFICATE_BY_NODE,[RFC6940]
0x4,ACCESS-CONTROL-LIST,[RFC8076]
0x5-0x9,Unassigned,
0x10,CERTIFICATE_BY_USER,[RFC6940]
0x11-0x103,Unassigned,
0x104,REDIR,[RFC7374]
0x105,CoAP-REGISTRATION,[RFC7650]
0x106,CoAP-CACHING,[RFC7650]
0x107-0x7ffffffe,Unassigned,
0x7fffffff,Reserved,[RFC6940]
0x8000000-0xf0000000,Unassigned,
0xf0000001-0xfffffffe,Reserved for Private Use,[RFC6940]
0xffffffff,Reserved,[RFC6940]