Data sets in need of visualization (many duplicated below) are listed on k claffy's Optimal visualization projects page.

CAIDA also collects and analyzes data collected via cflowd, the CoralReef project, and the skitter tool. Data collected may be filtered for privacy or have release restrictions due to CAIDA membership and use agreements, so access may be limited. Please contact info @ caida.org with requests.

The Internet Mapping Project is running a long-term project to collect routing data on the Internet. Each day a tree showing the paths discovered is generated. Daily updated versions of the database are available here.

courtesy of Steve Feldman (feldman @ mfst.com)

Statistics and Daily Reports from Merit are available, including Internet Routing Table Statistics from several interconnection points throughout the Internet.

Raw BGP updates and routing table dumps are available from a number of exchange points at ftp.merit.edu:statistics/ipma/data/

Real-time and stored MBone data is available on Merit's MBone Statistics Page

MichNet Statistics and Reports are available via Merit, and raw packet traffic data along with a graphical representation of the total monthly MichNet network packet traffic since January 1993 is available on the MichNet Traffic Statistics page.

Raw routing table information
Global ISP interconnectivity by AS number
NLANR network traffic packet header traces
Active Measurement Project RTT Measurements
Data analysis based on Coral packet traces

Route-Views collects routing table (BGP) data by setting up multi-hop BGP peering sessions with backbones of interest on route-views.oregon-ix.net

The vBNS's Network Traffic and Performance Monitoring page includes flows data, snmp statistics, results of nightly performance measurements, and daily vBNS stats.

vBNS Route Information is available, including routing table (BGP) snapshots.