Value,Name,Reference 0x0000,Reserved,[RFC8489] 0x0001,MAPPED-ADDRESS,[RFC8489] 0x0002,Reserved; was RESPONSE-ADDRESS prior to [RFC5389],[RFC8489] 0x0003,Reserved; was CHANGE-REQUEST prior to [RFC5389],[RFC5780][RFC Errata 4233] 0x0004,Reserved; was SOURCE-ADDRESS prior to [RFC5389],[RFC8489] 0x0005,Reserved; was CHANGED-ADDRESS prior to [RFC5389],[RFC8489] 0x0006,USERNAME,[RFC8489] 0x0007,Reserved; was PASSWORD prior to [RFC5389],[RFC8489] 0x0008,MESSAGE-INTEGRITY,[RFC8489] 0x0009,ERROR-CODE,[RFC8489] 0x000A,UNKNOWN-ATTRIBUTES,[RFC8489] 0x000B,Reserved; was REFLECTED-FROM prior to [RFC5389],[RFC8489] 0x000C,CHANNEL-NUMBER,[RFC8656] 0x000D,LIFETIME,[RFC8656] 0x000E-0x000F,Reserved, 0x0010,Reserved (was BANDWIDTH),[RFC8656] 0x0011,Reserved, 0x0012,XOR-PEER-ADDRESS,[RFC8656] 0x0013,DATA,[RFC8656] 0x0014,REALM,[RFC8489] 0x0015,NONCE,[RFC8489] 0x0016,XOR-RELAYED-ADDRESS,[RFC8656] 0x0017,REQUESTED-ADDRESS-FAMILY,[RFC8656] 0x0018,EVEN-PORT,[RFC8656] 0x0019,REQUESTED-TRANSPORT,[RFC8656] 0x001A,DONT-FRAGMENT,[RFC8656] 0x001B,ACCESS-TOKEN,[RFC7635] 0x001C,MESSAGE-INTEGRITY-SHA256,[RFC8489] 0x001D,PASSWORD-ALGORITHM,[RFC8489] 0x001E,USERHASH,[RFC8489] 0x001F-0x001F,Unassigned, 0x0020,XOR-MAPPED-ADDRESS,[RFC8489] 0x0021,Reserved (was TIMER-VAL),[RFC8656] 0x0022,RESERVATION-TOKEN,[RFC8656] 0x0023,Reserved, 0x0024,PRIORITY,[RFC8445] 0x0025,USE-CANDIDATE,[RFC8445] 0x0026,PADDING,[RFC5780] 0x0027,RESPONSE-PORT,[RFC5780] 0x0028-0x0029,Reserved, 0x002A,CONNECTION-ID,[RFC6062] 0x002B-0x002F,Unassigned, 0x0030,Reserved, 0x0031-0x7FFF,Unassigned, 0x8000,ADDITIONAL-ADDRESS-FAMILY,[RFC8656] 0x8001,ADDRESS-ERROR-CODE,[RFC8656] 0x8002,PASSWORD-ALGORITHMS,[RFC8489] 0x8003,ALTERNATE-DOMAIN,[RFC8489] 0x8004,ICMP,[RFC8656] 0x8005-0x8021,Unassigned, 0x8022,SOFTWARE,[RFC8489] 0x8023,ALTERNATE-SERVER,[RFC8489] 0x8024,Reserved, 0x8025,TRANSACTION_TRANSMIT_COUNTER,[RFC7982] 0x8026,Reserved, 0x8027,CACHE-TIMEOUT,[RFC5780] 0x8028,FINGERPRINT,[RFC8489] 0x8029,ICE-CONTROLLED,[RFC8445] 0x802A,ICE-CONTROLLING,[RFC8445] 0x802B,RESPONSE-ORIGIN,[RFC5780] 0x802C,OTHER-ADDRESS,[RFC5780] 0x802D,ECN-CHECK STUN,[RFC6679] 0x802E,THIRD-PARTY-AUTHORIZATION,[RFC7635] 0x802F,Unassigned, 0x8030,MOBILITY-TICKET,[RFC8016] 0x8031-0xBFFF,Unassigned, 0xC000,CISCO-STUN-FLOWDATA,[Dan_Wing] 0xC001,ENF-FLOW-DESCRIPTION,[P?l_Erik_Martinsen] 0xC002,ENF-NETWORK-STATUS,[P?l_Erik_Martinsen] 0xC003,CISCO-WEBEX-FLOW-INFO,[Stefano_Giorcelli] 0xC004-0xC055,Unassigned, 0xC056,CITRIX-TRANSACTION-ID,[Paras_Babbar] 0xC057,GOOG-NETWORK-INFO,[Jonas_Oreland] 0xC058,GOOG-LAST-ICE-CHECK-RECEIVED,[Jonas_Oreland] 0xC059,GOOG-MISC-INFO,[Jonas_Oreland] 0xC05A,GOOG-OBSOLETE-1,[Jonas_Oreland] 0xC05B,GOOG-CONNECTION-ID,[Jonas_Oreland] 0xC05C,GOOG-DELTA,[Jonas_Oreland] 0xC05D,GOOG-DELTA-ACK,[Jonas_Oreland] 0xC05E,GOOG-DELTA-SYNC-REQ,[Jonas_Oreland] 0xC05F,Unassigned, 0xC060,GOOG-MESSAGE-INTEGRITY-32,[Jonas_Oreland] 0xC061-0xC06F,Unassigned, 0xC070,META-DTLS-IN-STUN,[Philipp_Hancke] 0xC071,META-DTLS-IN-STUN-ACKNOWLEDGEMENT,[Philipp_Hancke] 0xC072-0xFFFF,Unassigned,