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www.caida.org > data : routing : routeviews-prefix2as.xml

Description

This dataset contains IP Prefix to Autonomous System (AS) mappings derived from RouteViews data. Files are created on a daily basis, starting from 2005-05-09. The file format is line-oriented, with one prefix-AS mapping per line. The tab-separated fields are:

• IP prefix
• prefix length
• AS number

More detailed information can be found in the README for this dataset. Files from this dataset can be used by CAIDA's ASFinder and various CoralReef tools (for example in the t2_convert -R option).

Download Data

Download Routeviews Prefix to AS mappings data.