Check out gethostbyname() (or getaddrinfo()) and friends.
nangergong wrote:
Thanks! I'm wondering whether there are some public APIs for this function
On Wed, May 23, 2012 at 12:53 PM, Martin Visser
<[email protected] <mailto:[email protected]>> wrote:
In Wireshark, it uses DNS or what ever you manually have written in
the "ethers" or "hosts" file. Whois only shows assignments from the
various Internet Registries.
You can of course infer names (say looking at the "Host:" header in
a HTTP request) but this isn't done.
Unfortunately their is no magic to do this.
Regards, Martin
[email protected] <mailto:[email protected]>
On 23 May 2012 20:00, nangergong <[email protected]
<mailto:[email protected]>> wrote:
HI, all:
I noticed that wireshark can show the host name(or website
url) for an ip address precisely. I need such a function which
can convert an IP address to the host name precisely. With linux
command "whois", the result is very coarse. Can anyone tell how
wireshark did the conversion and can I write some scripts or a
small program to do this? I mean the input is an IP address
while the output is a host name or URL, Thanks!
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