Uniform Resource Name (URN)

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Built-in URN types

• urn:oid: = Object Identifier (OID)
• urn:x-weid: = Object Identifier (OID) / WEID notation
• urn:uuid: = Globally Unique Identifier (GUID)
• urn:x-oidplus:ipv4: = IPv4 Network Blocks
• urn:x-oidplus:ipv6: = IPv6 Network Blocks
• urn:x-oidplus:domain: = Domain Names
• urn:x-oidplus:fourcc: = Four-Character-Code (FourCC)
• urn:x-oidplus:aid: = Application Identifier (ISO/IEC 7816)
• urn:dev:mac: = MAC adresses (EUI/ELI/AAI/SAI)
• urn:x-oidplus:php: = PHP Namespaces
• urn:x-oidplus:x500dn: = X.500 Distinguished Name

Custom URN types

RDAP
OID-IP: Text, JSON, XML (Documentation)
REST API (Documentation)