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From: haynes@ucscc.UCSC.EDU (99700000)
Newsgroups: comp.unix.questions
Subject: Re: Hostname from Internet address?
Message-ID: <10392@darkstar.ucsc.edu>
Date: 25 Dec 90 20:31:07 GMT
References: <1990Dec25.070328.4413@msuinfo.cl.msu.edu>
Sender: usenet@darkstar.ucsc.edu
Reply-To: haynes@ucscc.UCSC.EDU.UUCP (Jim Haynes)
Organization: University of California, Santa Cruz  CATS
Lines: 18

In article <1990Dec25.070328.4413@msuinfo.cl.msu.edu> raja@cpswh.cps.msu.edu writes:
>
>Given a hostname (e.g. zip.foo.bar.edu), one
>can use a network information program like
>nslookup to find its Internet address.  How
>about the other way round?  Given an internet
>address (e.g. 1.2.3.4), how would one find the 
>complete hostname?
The latest version of nslookup (from BIND.4.8.3) will take either a number
or a name.
Or you could throw together a little program using gethostbyaddr().
Or there is some arcane manipulation involving nslookup and in-addr.arpa

haynes@ucscc.ucsc.edu
haynes@ucscc.bitnet

"Any clod can have the facts, but having opinions is an Art."
        Charles McCabe, San Francisco Chronicle