Mapping IP -> ASN
Avi Freedman
freedman at netaxs.com
Fri Nov 15 17:27:28 UTC 1996
> Is there a tool available that will take an IP address and return the
> ASN attached to that network? I've been in situations before where this
> information would be useful, but not having access to the BGP routing
> information I'm not sure how to do this? (I've looked around some
> "likely" web sites - such as Merit - but haven't found anything.)
>
> The pressing need is for the ASN associated with 198.161.92.0. This
> network is connected to I*star, but I can't tell which of I*star's
> three ASNs it's homed on. (And they aren't being responsive to queries.)
>
> --lyndon
Telnet to route-server.cerf.net and type
sho ip bgp 198.161.92.0
Or go to nitrous.digex.net and select one of their viewers (mae-east,
pennsauken, mae-west); click on BGP; and enter 198.161.92.0 in the box...
Avi
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