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Project Summary

mod_asn is an Apache module that uses BGP routing data to look up the autonomous system (AS) and the network prefix (subnet) which contains a given (client's) IP address. mod_asn is highly scalable. To do lookups in high-speed, it uses the PostgreSQL ip4r datatype, which is indexable with a Patricia Trie algorithm to store network prefixes. This is the most suitable algorithm, being able to search through around 250,000 existing prefixes quickly. mod_asn is usable as a standalone module, and the lookup result can be used by scripts or other Apache modules. For instance, a download redirector could base its decisions on the lookup result provided by mod_asn.

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In a Nutshell, mod_asn...

Apache License 2.0
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These details are provided for information only. No information here is legal advice and should not be used as such.

Project Security

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About Project Security

Languages

Languages?height=75&width=75
C
44%
Python
47%
Make
9%
SQL
1%

30 Day Summary

Nov 1 2021 — Dec 1 2021

12 Month Summary

Dec 1 2020 — Dec 1 2021

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