macOS: listening ports

Source: How can I list my open network ports with netstat?

[jerome@jeroboam] > sudo lsof -PiTCP -sTCP:LISTEN | grep 6432
pgbouncer 10533 jerome    9u  IPv6 0x8678a9be8d9262f5      0t0  TCP *:6432 (LISTEN)
pgbouncer 10533 jerome   10u  IPv4 0x8678a9be9e2f23dd      0t0  TCP *:6432 (LISTEN)