[atlas] New: Atlas resource coverage (and more maps!) beta
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Richard L. Barnes
rbarnes at bbn.com
Thu Dec 15 19:18:58 CET 2011
Might be nice to have some summary statistics, e.g.: According to today's data, Atlas probes are present in... - 1.6% of IPv4 ASNs - 4.2% of IPv6 ASNs - 0.17% of IPv4 prefixes (covering 45% of the address space) - 2.3% of IPv6 prefixes - 91 countries On Dec 15, 2011, at 6:33 AM, Robert Kisteleki wrote: > Dear Atlas Users, > > Today we enabled another interesting feature (in beta mode, for now): > details about what networks Atlas covers at the moment. This feature lists > IPv4/IPv6 prefixes, ASNs and countries. This information will also be used > for User Defined Measurements, in order to filter vantage points to specific > networks or locations. > > You can access this at https://atlas.ripe.net/atlas/coverage.html > > Background information: > * the prefixes and ASNs are looked up in RIS, based on the address of the probe > * the country code is looked up in OpenStreetMaps based on the probe geolocation > > We are aware that in some cases the lookup has a surprising result. One > example is 6to4: for IPv6 related ASNs the prefix is 2002::/16 but the ASN > can be misleading. We'll most likely stop looking up ASNs for 6to4 (and > Teredo) prefixes. If you see anomalies *not* related to this, you can let us > know at atlas-dev at ripe.net > > Regards, > Robert, for the whole team >
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