| 16000 | TCP, UDP | fmsas | Administration Server Access |
| 16001 | TCP, UDP | fmsascon | Administration Server Connector |
| 16002 | TCP, UDP | gsms | GoodSync Mediation Service |
| 16003 | TCP, UDP | alfin | Reserved |
| 16020 | TCP, UDP | jwpc | Filemaker Java Web Publishing Core |
| 16021 | TCP, UDP | jwpc-bin | Filemaker Java Web Publishing Core Binary |
| 16161 | TCP, UDP | sun-sea-port | Solaris SEA Port |
| 16162 | TCP, UDP | solaris-audit | Solaris Audit - secure remote audit log |
| 16309 | TCP, UDP | etb4j | etb4j |
| 16310 | TCP, UDP | pduncs | Policy Distribute, Update Notification |
| 16311 | TCP, UDP | pdefmns | Policy definition and update management |
| 16360 | TCP, UDP | netserialext1 | Network Serial Extension Ports One |
| 16361 | TCP, UDP | netserialext2 | Network Serial Extension Ports Two |
| 16367 | TCP, UDP | netserialext3 | Network Serial Extension Ports Three |
| 16368 | TCP, UDP | netserialext4 | Network Serial Extension Ports Four |
| 16384 | TCP, UDP | connected | Connected Corp |
| 16385 | TCP, UDP | rdgs | Reliable Datagram Sockets |
| 16619 | TCP, UDP | xoms | X509 Objects Management Service |
| 16665 | TCP, UDP | axon-tunnel | Reliable multipath data transport for high latencies |
| 16666 | TCP, UDP | vtp | Reserved |
| 16789 | TCP, UDP | cadsisvr | This server provides callable services to mainframe External Security Managers from any TCP/IP platform |
| 16900 | TCP, UDP | newbay-snc-mc | Newbay Mobile Client Update Service |
| 16950 | TCP, UDP | sgcip | Simple Generic Client Interface Protocol |
| 16991 | TCP, UDP | intel-rci-mp | INTEL-RCI-MP |
| 16992 | TCP, UDP | amt-soap-http | Intel(R) AMT SOAP/HTTP |
| 16993 | TCP, UDP | amt-soap-https | Intel(R) AMT SOAP/HTTPS |
| 16994 | TCP, UDP | amt-redir-tcp | Intel(R) AMT Redirection/TCP |
| 16995 | TCP, UDP | amt-redir-tls | Intel(R) AMT Redirection/TLS |