Similar to Internationalized_Resource_Identifier
 - Counter with CBC-MACCCM mode
 - CamelliaCamellia (cipher)
 - ISCSIISCSI
 - Extensible Authentication ProtocolExtensible Authentication Protocol
 - ENUMTelephone number mapping
 - UDP-LiteUDP-Lite
 - Common Gateway InterfaceCommon Gateway Interface
 - Internet Low Bitrate CodecInternet Low Bitrate Codec
 - SEED (暗号)SEED
 - ISNSInternet Storage Name Service
 - ISATAPISATAP
- HMAC-based One-time PasswordHMAC-based one-time password
 - Secure ShellSecure Shell
 - Atom (ウェブ標準)Atom (web standard)
 - Teredo トンネリングTeredo tunneling
 - Sender Policy FrameworkSender Policy Framework
 - JSONJSON
 - EVRCEnhanced Variable Rate Codec
 - CalDAVCalDAV
 - 手旗信号システムによるIP伝送Semaphore Flag Signaling System
 - ドメインキーDomainKeys
 - DKIMDomainKeys Identified Mail
 - OpenPGP
 - Internet Wide Area RDMA ProtocolIWARP
 - Remote Direct Memory AccessRemote direct memory access
 - Interactive Connectivity EstablishmentInteractive Connectivity Establishment
 - SMTPSimple Mail Transfer Protocol
 - SMTPSSMTPS