WHOIS(1)                        User Commands                       WHOIS(1)
NAME
       whois - Internet domain name and network number directory service
SYNOPSIS
       whois [
-aAbfgiIklmQr] [
-c country-code | 
Fl h 
host] [
-p port] 
name...
DESCRIPTION
       The 
whois utility looks up records in the databases maintained by
       several Network Information Centers (NICs).
       The options are as follows:       
-a     Use the American Registry for Internet Numbers (ARIN)
              database.  It contains network numbers used in those parts of
              the world covered neither by APNIC, AfriNIC, LACNIC, nor by
              RIPE.
              (Hint: All point of contact handles in the ARIN whois database
              end with -ARIN.)       
-A     Use the Asia/Pacific Network Information Center (APNIC)
              database.  It contains network numbers used in East Asia,
              Australia, New Zealand, and the Pacific islands.       
-b     Use the Network Abuse Clearinghouse database.  It contains
              addresses to which network abuse should be reported, indexed
              by domain name.       
-c country-code              This is the equivalent of using the 
-h option with an argument
              of 
country-code.whois-servers.net.       
-f     Use the African Network Information Centre (AfriNIC) database.
              It contains network numbers used in Africa and the islands of
              the western Indian Ocean.       
-g     Use the US non-military federal government database, which
              contains points of contact for subdomains of 
.GOV.       
-h host              Use the specified host instead of the default variant.  Either
              a host name or an IP address may be specified.
              By default 
whois constructs the name of a whois server to use
              from the top-level domain (TLD) of the supplied (single)
              argument, and appending .whois-servers.net .  This effectively
              allows a suitable whois server to be selected automatically
              for a large number of TLDs.
              In the event that an IP address is specified, the whois server
              will default to the American Registry for Internet Numbers
              (ARIN).  If a query to ARIN references APNIC, AfriNIC, LACNIC,
              or RIPE, that server will be queried also, provided that the              
-Q option is not specified.
              If the query is not a domain name or IP address, 
whois will
              fall back to 
whois.crsnic.net.       
-i     Use the Network Solutions Registry for Internet Numbers
              (
whois.networksolutions.com) database.  It contains network
              numbers and domain contact information for most of              
.COM,.NET,.ORG and 
.EDU domains.              
NOTE !  The registration of these domains is now done by a
              number of independent and competing registrars and this
              database holds no information on the domains registered by
              organizations other than Network Solutions, Inc.  Also, note
              that the InterNIC database (
whois.internic.net) is no longer
              handled by Network Solutions, Inc.  For details, see              
http://www.internic.net/.
              (Hint: Contact information, identified by the term 
handle, can
              be looked up by prefixing "handle" to the NIC handle in the
              query.)       
-I     Use the Internet Assigned Numbers Authority (IANA) database.
              It contains network information for top-level domains.       
-k     Use the National Internet Development Agency of Korea's
              (KRNIC) database.  It contains network numbers and domain
              contact information for Korea.       
-l     Use the Latin American and Caribbean IP address Regional
              Registry (Tn LACNIC) database.  It contains network numbers
              used in much of Latin America and the Caribbean.       
-m     Use the Route Arbiter Database (RADB) database.  It contains
              route policy specifications for a large number of operators'
              networks.       
-p port              Connect to the whois server on 
port.  If this option is not
              specified, 
whois defaults to port 43.       
-Q     Do a quick lookup.  This means that 
whois will not attempt to
              lookup the name in the authoritative whois server (if one is
              listed).  This option has no effect when combined with any
              other options.       
-r     Use the R'eseaux IP Europ'eens (RIPE) database.  It contains
              network numbers and domain contact information for Europe.
              The operands specified to 
whois are treated independently and
              may be used as queries on different whois servers.
EXIT STATUS
       The 
whois utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
       Most types of data, such as domain names and IP addresses, can be
       used as arguments to 
whois without any options, and 
whois will choose
       the correct whois server to query.  Some exceptions, where 
whois will
       not be able to handle data correctly, are detailed below.
       To obtain contact information about an administrator located in the
       Russian TLD domain RU, use the 
-c option as shown in the following
       example, where 
CONTACT-ID is substituted with the actual contact
       identifier.
       whois -c RU CONTACT-ID
       (Note: This example is specific to the TLD RU, but other TLDs can be
       queried by using a similar syntax.)
       The following example demonstrates how to query a whois server using
       a non-standard port, where ``query-data'' is the query to be sent to
       ``whois.example.com'' on port ``rwhois'' (written numerically as
       4321).
       whois -h whois.example.com -p rwhois query-data
SEE ALSO
       Vic White and Ken Harrenstien, 
NICNAME/WHOIS, 1 March 1982, RFC 812.
HISTORY
       The 
whois command appeared in 4.3BSD.
                               October 2, 2009                      WHOIS(1)