IPv4 CIDR Report

About tool:
Report Sections:
- Status Summary: Summary of total route table size for the past 7 days, a listing of possibly bogus routes seen and summary information on ASes.
- Aggregation Summary: This lists the Top 30 ASes who if they aggregated their announced prefixes could make a significant contribution to the reduction of the current size of the Internet routing table.
- Last Week's Changes: A summary of the last week's changes in terms of withdrawn and added routes and added ASes.
- More Specifics: A list of ASes advertising routes that are more specfic than the original registry allocation size.
- Possible Bogons: A list of advertisements of address blocks and Autonomous System numbers where there is no matching allocation data.

Website: https://www.cidr-report.org/as2.0/
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