2012-04-23 This is the Official IANA Registry of URN Namespaces IETF consensus action IETF 1 PIN 2 ISSN 3 OID 4 NEWSML 5 OASIS 6 XMLORG 7 publicid 8 ISBN 9 NBN 10 WEB3D 11 MPEG 12 mace 13 fipa 14 swift 15 liberty 16 IPTC 17 UUID 18 UCI 19 CLEI 20 tva 21 fdc 22 ISAN 23 NZL 24 oma 25 IVIS 26 S1000D 27 nfc 28 iso 29 XMPP 30 geant 31 service 32 smpte 33 epc 34 epcglobal 35 cgi 36 ogc 37 ebu 38 3gpp 39 dvb 40 nena 41 cablelabs 42 dgiwg 43 schac 44 ogf 45 ucode 46 Two week review period on urn-nid discussion list, then First Come First Served urn-1 1 urn-1 urn-2 2 urn-2 urn-3 3 urn-3 urn-4 4 urn-4 urn-5 5 urn-5 urn-6 6 urn-6 urn-7 7