knownports / Ports 100–199 / Port 161
Port161
snmp
IANA has registered port 161 to snmp on TCP and UDP.
Registry entries
| Service | Protocols | Registered | Modified | RFCs | Other specs |
|---|---|---|---|---|---|
snmp | TCPUDP | — | — | — | — |
Where it sits in the registry
Port 161 is one of 98 numbers with an assignment in ports 100–199 (98.0% of the range). 95 other numbers in the range are assigned on exactly the same transports, TCP and UDP, the usual pattern for older entries. The registry records no registration date for it, as for 97 other numbers in the range; dates were recorded mainly from 2002 on.
Status on each protocol
| Protocol | On port 161 | Other numbers with the same status | Nearest with the same status |
|---|---|---|---|
| TCP | assigned to snmp | 5,887 | 160 sgmp-traps |
| UDP | assigned to snmp | 5,500 | 160 sgmp-traps |
| SCTP | no entry | 5,999 | 160 sgmp-traps |
| DCCP | no entry | 6,080 | 160 sgmp-traps |
5,273 other assigned numbers in the registry have exactly this combination across all four protocols.
The nearest assigned numbers
| Port | Service | Label | Protocols | Registered | Distance |
|---|---|---|---|---|---|
| 158 | pcmail-srv | PCMail Server | TCPUDP | — | 3 |
| 159 | nss-routing | — | TCPUDP | — | 2 |
| 160 | sgmp-traps | — | TCPUDP | — | 1 |
| 162 | snmptrap | — | TCPUDP | — | 1 |
| 163 | cmip-man | CMIP/TCP Manager | TCPUDP | — | 2 |
| 164 | cmip-agent | CMIP/TCP Agent | TCPUDP | — | 3 |
Other names built on snmp
1993 snmp-tcp-port 2697 oce-snmp-trap 3427 websphere-snmp 8161 patrol-snmp 11161 suncacao-snmp
Other entries that mention snmp
The text snmp appears in the name or label of eight other registry entries, every one shown here. It is a text match, not a statement that the services are related.