To:
dnsop@cafax.se
From:
David Meyer <dmm@1-4-5.net>
Date:
Thu, 18 Sep 2003 10:32:04 -0700
Content-Disposition:
inline
Sender:
owner-dnsop@cafax.se
User-Agent:
Mutt/1.4i
Subject:
New routeviews service available (in the event you don't read NANOG)
>> All, >> >> In response to requests from many folks asking for prefix >> to AS mappings, routeviews is now providing 2 new services >> mapping an address or prefix to its origin AS and to its >> ASPath. These services are available via two zones: >> >> (i). asn.routeviews.org >> >> asn.routeviews.org maps an address or prefix into >> its origin AS, prefix, and prefix length, as seen by >> route-views2.routeviews.org (the data is held in >> TXT records). >> >> For example, the following command >> >> % dig txt 223.128.asn.routeviews.org >> >> returns (among other things) >> >> 223.128.asn.routeviews.org. 86400 IN TXT "3582" "128.223.0.0" "16" >> >> The syntax here is: "AS" "Prefix" "Prefix Length" >> >> (ii). aspath.routeviews.org >> >> aspath.routeviews.org is similar to asn.routeviews.org, >> except that it maps an address or prefix into the ASpath >> (rather than origin AS), prefix, and prefix length, as >> seen by route-views2.routeviews.org (again, the data >> is held in TXT records). >> >> For example, the following command >> >> % dig txt 223.128.aspath.routeviews.org >> >> returns (among other things) >> >> 223.128.aspath.routeviews.org. 86400 IN TXT "286 209 3356 3701 3582" "128.223.0.0" "16" >> >> The syntax here is: "ASPath" "Prefix" "Prefix Length" >> >> >> These zones are built twice per-day, 11:45 and 23:45 UTC. >> >> Finally, please let us know (help@routeviews.org) if you >> have questions, comments or suggestions for ways we might >> otherwise improve this service. One note: note that these >> zones are quite large, and reloading these produces a >> period of a few minutes during which the server may not >> reply. >> >> Thanks, >> >> Dave #---------------------------------------------------------------------- # To unsubscribe, send a message to <dnsop-request@cafax.se>.