Port Number Lookup
Search TCP/UDP port numbers by port or service name. Covers well-known, registered, and dynamic ports.
Ad73 ports in database
Port Ranges
Well-Known0 – 1,023 — IANA assigned
Registered1,024 – 49,151 — App-specific
Dynamic49,152 – 65,535 — Ephemeral
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Port Database
73
Total Ports
73
Matches
—
Query
Results
7
Well-KnownEchoTCP/UDP
Echo protocol20
Well-KnownFTP-DataTCP
FTP data transfer21
Well-KnownFTPTCP
FTP control (command)22
Well-KnownSSHTCP
Secure Shell login23
Well-KnownTelnetTCP
Unencrypted text communications25
Well-KnownSMTPTCP
Simple Mail Transfer Protocol53
Well-KnownDNSTCP/UDP
Domain Name System67
Well-KnownDHCP-ServerUDP
Dynamic Host Configuration Protocol (server)68
Well-KnownDHCP-ClientUDP
Dynamic Host Configuration Protocol (client)69
Well-KnownTFTPUDP
Trivial File Transfer Protocol80
Well-KnownHTTPTCP
HyperText Transfer Protocol88
Well-KnownKerberosTCP/UDP
Kerberos authentication110
Well-KnownPOP3TCP
Post Office Protocol v3119
Well-KnownNNTPTCP
Network News Transfer Protocol123
Well-KnownNTPUDP
Network Time Protocol135
Well-KnownRPCTCP/UDP
Microsoft RPC Endpoint Mapper137
Well-KnownNetBIOS-NSUDP
NetBIOS Name Service138
Well-KnownNetBIOS-DGMUDP
NetBIOS Datagram Service139
Well-KnownNetBIOS-SSNTCP
NetBIOS Session Service143
Well-KnownIMAPTCP
Internet Message Access Protocol161
Well-KnownSNMPUDP
Simple Network Management Protocol162
Well-KnownSNMP-TrapUDP
SNMP Trap179
Well-KnownBGPTCP
Border Gateway Protocol194
Well-KnownIRCTCP
Internet Relay Chat389
Well-KnownLDAPTCP/UDP
Lightweight Directory Access Protocol443
Well-KnownHTTPSTCP
HTTP over TLS/SSL445
Well-KnownSMBTCP
Server Message Block / CIFS464
Well-KnownKpasswdTCP/UDP
Kerberos Change/Set Password465
Well-KnownSMTPSTCP
SMTP over SSL (deprecated, re-assigned)500
Well-KnownIKEUDP
Internet Key Exchange (IPsec)514
Well-KnownSyslogUDP
System Logging Protocol515
Well-KnownLPDTCP
Line Printer Daemon520
Well-KnownRIPUDP
Routing Information Protocol530
Well-KnownRPCTCP
Remote Procedure Call546
Well-KnownDHCPv6-ClientTCP/UDP
DHCPv6 Client547
Well-KnownDHCPv6-ServerTCP/UDP
DHCPv6 Server587
Well-KnownSubmissionTCP
Email message submission (SMTP)636
Well-KnownLDAPSTCP
LDAP over SSL853
Well-KnownDoTTCP
DNS over TLS993
Well-KnownIMAPSTCP
IMAP over SSL995
Well-KnownPOP3STCP
POP3 over SSL1080
RegisteredSOCKSTCP
SOCKS proxy1194
RegisteredOpenVPNTCP/UDP
OpenVPN1433
RegisteredMSSQLTCP
Microsoft SQL Server1434
RegisteredMSSQL-MonitorUDP
Microsoft SQL Monitor1521
RegisteredOracleTCP
Oracle Database1723
RegisteredPPTPTCP
Point-to-Point Tunneling Protocol2049
RegisteredNFSTCP/UDP
Network File System2083
RegisteredcPanel-SSLTCP
cPanel control panel (SSL)2082
RegisteredcPanelTCP
cPanel control panel3306
RegisteredMySQLTCP
MySQL Database3389
RegisteredRDPTCP/UDP
Remote Desktop Protocol3478
RegisteredSTUNTCP/UDP
Session Traversal Utilities for NAT4443
RegisteredPharosTCP
Pharos control5060
RegisteredSIPTCP/UDP
Session Initiation Protocol5061
RegisteredSIP-TLSTCP
SIP over TLS5432
RegisteredPostgreSQLTCP
PostgreSQL Database5672
RegisteredAMQPTCP
Advanced Message Queuing Protocol5900
RegisteredVNCTCP
Virtual Network Computing6379
RegisteredRedisTCP
Redis key-value store6443
RegisteredK8s-APITCP
Kubernetes API server8080
RegisteredHTTP-AltTCP
HTTP alternative (web proxy)8443
RegisteredHTTPS-AltTCP
HTTPS alternative8888
RegisteredHTTP-AltTCP
Alternative HTTP (Jupyter, etc.)9090
RegisteredPrometheusTCP
Prometheus metrics9092
RegisteredKafkaTCP
Apache Kafka broker9200
RegisteredElasticsearchTCP
Elasticsearch HTTP9300
RegisteredElasticsearchTCP
Elasticsearch transport11211
RegisteredMemcachedTCP/UDP
Memcached caching27017
RegisteredMongoDBTCP
MongoDB database27018
RegisteredMongoDB-ShardTCP
MongoDB shard server50000
DynamicDB2TCP
IBM DB251820
DynamicWireGuardUDP
WireGuard VPN Documentation
How It Works
This tool searches a bundled database of common TCP/UDP ports. Type a port number, service name, or keyword to instantly filter results. All filtering is done client-side for instant response.
Common Ports
80/443 — HTTP / HTTPS (web)
22 — SSH (secure shell)
53 — DNS (name resolution)
3306/5432 — MySQL / PostgreSQL
Last Updated: February 2026
Frequently Asked Questions
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