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  1. #1
    Join Date
    Jan 2004
    Location
    Pennsylvania
    Posts
    939

    BGP Peer lookup site

    I have known of a few websites with tools to enter in an ASN and it would return back the peers above and below the specified ASN (essentially, find out which networks are actually connected to the ASN). I lost my bookmarks and am having a heck of a time finding one of the sites.

    Can someone please provide me with a link to one of the numerous sites?
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  2. #2
    Join Date
    Dec 2004
    Location
    New York, NY
    Posts
    10,574
    www.fixedorbit.org ? Kind of useful, but of course not very accurate.
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  3. #3
    Join Date
    Apr 2005
    Location
    Seattle, WA
    Posts
    221
    I always throw prefixes into BGPlay. Pro is it's up to date and accurate, con is it's java and works off a prefix, not an ASN
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  4. #4
    Join Date
    Apr 2006
    Location
    Melbourne, Australia
    Posts
    37
    Possibly CIDR Report?

  5. #5
    Join Date
    Apr 2005
    Location
    Jacksonville, FL
    Posts
    977
    You might be referring to netlantis.org (which doesn't work anymore), or bgp.lcs.mit.edu (which also doesn't exist anymore). As was mentioned above, RIPE's BGPlay works well and probably meets your requirements, or the (possibly more complete) BGPlay at http://bgplay.routeviews.org/bgplay/. A word of advice - BGPlay doesn't want to lookup prefixes if you enter something more specific than the corresponding summarized entry in routeviews' RIB.. so make sure you're using a prefix that matches their RIB and not something more specific. Needless to say, you can check that by 'sh ip bgp specific.prefix/mask' to see how it appears.

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  6. #6
    Join Date
    Oct 2004
    Location
    Nevada
    Posts
    887
    This one seems to be up to date

    http://www.lerfjhax.com/internet/search

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