HostLookup

HostLookup[name]

gives the IP address for the host with the specified name.

HostLookup[address]

gives the host name for the host at the specified IP address.

HostLookup[spec,prop]

gives a specified property of the host.

HostLookup[spec,All]

gives an association of properties found for the host.

Details

  • If a host cannot be found, HostLookup returns Missing["NotFound"].
  • Possible properties in HostLookup include:
  • "FullName"full name of host
    "IPv4Addresses"IPv4 IP addresses
    "IPv6Addresses"IPv6 IP addresses
  • In HostLookup[host], host can be a URL, given as a string or a URL object. It can also be an IP address given as a string or an IPAddress object.

Examples

Basic Examples  (5)

Look up the IP addresses associated with a host:

Look up the hostname for an IP address:

Look up IPv4 addresses associated with the host:

Look up IPv6 addresses associated with the host:

Look up all the properties associated with a host:

Look up the full names associated with IP addresses:

Introduced in 2015
 (10.3)