North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Finding ASN from IP address
There's a tool out there called "tracesroute" (note the "s") that will also provide the AS number of every ip it lists. > -----Original Message----- > From: Suresh Ramasubramanian [mailto:[email protected]] > Sent: Thursday, October 09, 2003 12:46 PM > To: Avleen Vig > Cc: [email protected] > Subject: Re: Finding ASN from IP address > > > > Avleen Vig writes on 10/9/2003 10:19 PM: > > > I want to create a mapping of IP addresses to ASN, for a > specific like > > of IP addresses. Eg: > > 1.2.3.4 > > 12.34.56.78 > > > > etc, gathered from my system logs. > > > > What is the best way of doing this? > > Rob Thomas (cymru.com) has something like this - see below. > > -- > srs (postmaster|suresh)@outblaze.com // gpg : EDEDEFB9 > manager, outblaze.com security and antispam operations > > > > * To: [email protected] > > * Subject: [apops] New Team Cymru IP2ASN whois server > > * From: Rob Thomas <[email protected]> > > * Date: Fri, 26 Sep 2003 01:56:11 -0500 (CDT) > > * List-archive: <http://www.apnic.net/mailing-lists/apops/> > > * List-help: <mailto:[email protected]?subject=help> > > * List-id: Asia Pacific Operators Forum <apops.apops.net> > > * List-post: <mailto:[email protected]> > > * List-subscribe: > <http://mailman.apnic.net/mailman/listinfo/apops>,<mailto:apop > [email protected]?subject=subscribe> > > * List-unsubscribe: > <http://mailman.apnic.net/mailman/listinfo/apops>,<mailto:apop > [email protected]?subject=unsubscribe> > > * Sender: [email protected] > > > > Fellow networkers, > > > > Team Cymru is happy to announce the availability of a public whois > > server dedicated to mapping IP numbers to ASNs, located at > > whois.cymru.com. You can find the link to this tool at: > > > > http://www.cymru.com/BGP/whois.html > > > > This link has been added to our main BGP data page available at: > > > > http://www.cymru.com/BGP/index.html > > > > We have also extended the functionality of this daemon to > support BULK > > IP submissions for those who wish to further optimize their > queries with > > netcat. > > > > Following is a quick overview of how to use it: > > > > $ whois -h whois.cymru.com <IP> > > > > Where <IP> is replaced by the IP you'd like to map, like so: > > > > $ whois -h whois.cymru.com 4.2.2.1 > > ASN | IP | Name > > 3356 | 4.2.2.1 | LEVEL3 Level 3 Communications > > > > You can also include port information, and/or timestamps in your > > queries. Be sure to include quotes around your queries, or > the daemon > > will interpret your request as multiple lines: > > > > $ whois -h whois.cymru.com "4.2.2.1 -0600 GMT" > > ASN | IP | Info | Name > > 3356 | 4.2.2.1 | -0600 GMT | LEVEL3 Level 3 > > Communications > > > > For instructions on how to submit BULK queries via netcat, > simply issue > > the following command: > > > > $ whois -h whois.cymru.com help > > > > We hope you find this tool useful. Stay tuned for more features! > > > > If you have any comments or suggestions as to how we might > improve this > > service, feel free to let us know! > > > > Thanks, > > Rob, for Team Cymru. > > -- > > Rob Thomas > > http://www.cymru.com > > ASSERT(coffee != empty); > > > > > > |