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.
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:
See Also
Related Guides
History
Text
Wolfram Research (2015), HostLookup, Wolfram Language function, https://reference.wolfram.com/language/ref/HostLookup.html.
CMS
Wolfram Language. 2015. "HostLookup." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/HostLookup.html.
APA
Wolfram Language. (2015). HostLookup. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/HostLookup.html
BibTeX
@misc{reference.wolfram_2025_hostlookup, author="Wolfram Research", title="{HostLookup}", year="2015", howpublished="\url{https://reference.wolfram.com/language/ref/HostLookup.html}", note=[Accessed: 04-January-2026]}
BibLaTeX
@online{reference.wolfram_2025_hostlookup, organization={Wolfram Research}, title={HostLookup}, year={2015}, url={https://reference.wolfram.com/language/ref/HostLookup.html}, note=[Accessed: 04-January-2026]}