The scourge of excessive AS-SETs
Guest Post: Many AS-SETs have grown so large they effectively whitelist most of the routing table, defeating their purpose. How are AS-SETs actually used for filtering, and what can be done when they get too big?
Tag: ASNs
How we measure: ISP user counts
Breaking down APNIC Labs ISP user count measurement and its caveats.
A comprehensive review of RIR policies in the domain of ASN management
Guest Post: Comprehensively examining various RIR policies and their ASN assignment and allocation practices.
APNIC membership hits 10,000
On 29 February 2024, APNIC welcomed its 10,000th Member.
RFC 9234 observed in the wild
Guest Post: There is still hope for BGP route leak prevention.
Improving the inference of sibling Autonomous Systems
Guest Post: Addressing inaccuracies on sibling relations and their root causes in whois data.
The 2022 National Internet Segment Reliability Research
Guest Post: Annual report sheds light on critical nature of certain Autonomous Systems and how their outage might affect the connectivity of an economy.
Interdomain BGP policies — do not transit
Guest Post: Examining the reasons and techniques used when an operator does not want traffic via a specific AS.
Interdomain BGP policies — where traffic should enter a network
Guest Post: Examine the various techniques used to control traffic entry points.
Interdomain BGP policies — where traffic should exit a network
Guest Post: How to select which neighboring AS to send traffic through.