Hi Xiaotian Suo,

5M credits sent!

Cheers, Jacomo

On Mon, Sep 7, 2026 at 12:57 PM Sanjeev Gupta <[email protected]> wrote:
>
> Sent 5M.
>
> Ask for more.
>
> --
> Sanjeev Gupta
> +65 98551208     http://www.linkedin.com/in/ghane
>
> On Mon, 7 Sept 2026, 16:59 xt s, <[email protected]> wrote:
>>
>> Dear RIPE Atlas community,
>>
>> My name is Xiaotian Suo, and I am a PhD student at the School of Cyberspace 
>> Science and Technology, Beijing Institute of Technology.
>>
>> I am working on a research project studying AS-level exposure and routing 
>> asymmetry on Tor client-to-Guard and Exit-to-destination paths. We plan to 
>> use RIPE Atlas traceroutes to calibrate and validate data-plane 
>> path-inference models.
>>
>> Our initial experiment is deliberately small. We plan to run approximately 
>> 20 one-off IPv4 ICMP traceroutes as a smoke test, followed by a paired pilot 
>> covering around ten AS-level endpoint pairs in both directions over three 
>> measurement rounds. The initial stage should consume fewer than 10,000 
>> credits.
>>
>> If the pipeline works as expected, we would like to expand the study to 
>> additional AS pairs, probes, and time windows, and to construct an 
>> independent confirmation dataset. For this staged research campaign, I am 
>> therefore looking for up to 1,000,000 RIPE Atlas credits. Any partial 
>> donation would already be very helpful.
>>
>> Only safe, publicly reachable infrastructure will be used as measurement 
>> targets; residential or private end-user addresses will not be targeted. We 
>> also intend to make the measurement results available for research 
>> reproducibility where possible.
>>
>> My RIPE Atlas account for credit transfers is:
>>
>> [email protected]
>>
>> Thank you very much for supporting this research and for maintaining the 
>> RIPE Atlas infrastructure.
>>
>> Best regards,
>>
>> Xiaotian Suo
>> PhD Student
>> School of Cyberspace Science and Technology
>> Beijing Institute of Technology
>>
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