function::addr_to_node - Linux


The function::addr_to_node command is a Linux utility used to resolve an IPv4 or IPv6 address to its corresponding node. It provides a simple and efficient way to obtain node information from an IP address, making it useful in various network troubleshooting and monitoring scenarios.


function::addr_to_node [OPTIONS] <IP_ADDRESS>


  • -4, –ipv4: Resolve given address as an IPv4 address.
  • -6, –ipv6: Resolve given address as an IPv6 address.
  • -h, –help: Display usage information and exit.
  • -V, –version: Print version information and exit.


Simple IPv4 Address Resolution


IPv6 Address Resolution

function::addr_to_node --ipv6 fe80::225:ff:fe05:65ad

Resolving Multiple Addresses


Common Issues

  • Invalid IP Address: If an invalid IP address is provided, the command will output an error message.


The function::addr_to_node command can be integrated with other Linux tools to perform advanced tasks:

Combining with "netstat"

netstat -nr | function::addr_to_node --ipv4

Resolving Addresses from a File

cat ip_addresses.txt | function::addr_to_node

Related Commands

  • ip: Network interface configuration and management
  • hostname: Get or set the hostname of the system
  • nslookup: Perform DNS lookups