- ripe-list - mailman.ripe.net

New on RIPE Labs: Noisy Routers - Investigating the Make-Up of Route Collector Data
by Alun Davies 15 Apr '26

15 Apr '26

Dear colleagues, Ebrima Jaw and colleagues have been investigating the make-up of route collector data and the impact of “noisy” routers on BGP measurements. Read more on RIPE Labs: https://labs.ripe.net/author/ejaw/noisy-routers-investigating-the-make-up-o… Kind regards, Alun Davies RIPE Labs Editor RIPE NCC

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BGP Stuck Routes Operational Experience Survey
by Xygkou, Iliana M 07 Apr '26

07 Apr '26

Dear RIPE community members, We are researchers from Georgia Tech investigating the phenomenon of BGP stuck routes (also known as "zombie routes")—prefixes that persist in routing tables despite being withdrawn by their origin AS. While recent research using BGP beacons (including our work presented at IMC 2025 [1]) confirms that zombie routes occur regularly and can persist for long periods, there is a gap in understanding the operational reality of this issue. We observe the data, but we need to hear from operators to understand the real-world impact and their mitigation responses. We invite you to participate in a brief, anonymous survey to help us assess the extent and impact of this phenomenon in operational settings and to identify common practices for mitigating it. Survey Link: https://forms.office.com/r/9BuWqN0n0J Privacy & Data Usage: This survey is anonymous. We are not collecting any PII (Personally Identifiable Information) data. Thank you for your time and for your contributions to this Internet measurement study. [1] I. Xygkou, A. Chariton, X. Dimitropoulos, and A. Dainotti. "A First Look into Long-lived BGP Zombies". IMC '25. https://doi.org/10.1145/3730567.3764469 Best regards, Iliana Xygkou PhD student Georgia Institute of Technology

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Felipe Victolla Silveira Leaving the RIPE NCC
by Hans Petter Holen 07 Apr '26

07 Apr '26

Dear colleagues, I would like to inform you that after 13 years at the RIPE NCC, Felipe Victolla Silveira is stepping down as CTO and will be leaving the RIPE NCC. Felipe has made a significant contribution to the organisation over the years, holding a number of key roles. Starting in 2012 as a Software Engineer, Felipe then became Software Engineering Manager before joining our Executive Team as Chief Operations Officer with responsibility for the Registry and our Business Applications, including the LIR Portal. Notably, Felipe served as Interim Managing Director from October 2019 to May 2020, ensuring stability through the leadership transition from Axel Pawlik to me. For the past three years, Felipe has further contributed to the development of the RIPE NCC and the resilience of our core services in the role of Chief Technology Officer. During his time with us, Felipe played an important role in shaping both our technical direction and organisational development. His achievements include leading the modernisation of our ticketing system and the phase-out of XRTT, and implementing automation that accelerated the overhaul of our sanctions compliance processes. Felipe also worked closely with the community to define our service criticality and how that should lead to the use of third-party services, continually revisiting that decision in light of changing external factors and community input. He contributed to our achieving ISAE 3000 / SOC 2 compliance for RPKI, and during his tenure, we strengthened the high availability and resiliency of RPKI services. We also modernised the RIPE Atlas infrastructure, including the Hadoop cluster migration to Hetzner. We are grateful for Felipe’s dedication, leadership and the lasting impact of his work across the organisation and the community. We wish him all the best in his future endeavours. Kind regards, Hans Petter Holen Managing Director and CEO RIPE NCC

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New on RIPE Labs: Beyond the Network View - DNS-Driven Application Visibility
by Alun Davies 02 Apr '26

02 Apr '26

Dear colleagues, On RIPE Labs today, Danny Lachos presents an open-source DNS-based method to classify traffic flows by OTT applications and CDN domains, extending the traditional network view with application-level visibility: https://labs.ripe.net/author/danny-lachos/beyond-the-network-view-dns-drive… Kind regards, Alun Davies RIPE Labs Editor RIPE NCC

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New on RIPE Labs: When iBGP Full Mesh Is Actually Unnecessary
by Alun Davies 31 Mar '26

31 Mar '26

Dear colleagues, In this new RIPE Labs article, José Mª Rivadeneyra explores cases where iBGP full mesh is not actually required, challenging a long-standing design assumption in BGP networks: https://labs.ripe.net/author/rivadeneyra/when-ibgp-full-mesh-is-actually-un… Kind regards, Alun Davies RIPE Labs Editor RIPE NCC

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2025 IANA Numbering Services Review Committee Report Published
by Ulka Athale 30 Mar '26

30 Mar '26

This message is sent on behalf of the Number Resource Organization (NRO). --------------------- The announcement is available at: https://www.nro.net/2025-iana-numbering-services-review-committee-report-pu… --------------------- The IANA Numbering Services Review Committee (IANA RC) is pleased to announce the publication of its 2025 IANA Numbering Services Review Committee Report. Established in 2016, the IANA RC is responsible for preparing an annual report to advise the NRO Executive Council (NRO EC) in its evaluation of the IANA numbering services. This year’s report follows a 30-day public comment period on the RIR IANA Numbering Services Review Matrix, through which the RIRs invited input from the broader community. The report is based on the 2025 RIR IANA Numbering Services Review Matrix and on feedback received from the global numbering community. The 2025 IANA Numbering Services Review Committee Report is now available at: https://www.nro.net/2025-IANA-RC-Report On behalf of the IANA Numbering Services Review Committee, Constanze Bürger Chair, IANA Numbering Services Review Committee -- Kind regards, Ulka Athale Community Development Manager RIPE NCC www.ripe.net

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Draft RIPE Working Group Chair Job Description and Procedures v2 - For Review
by Mirjam Kuehne 30 Mar '26

30 Mar '26

Dear colleagues, Thanks for the comments sent after we published a new draft version of the RIPE Working Group Chair Job Description (that will update ripe-692). We now have v2 ready for your review: https://www.ripe.net/publications/docs/ripe-documents/other-documents/draft… Please send feedback, comments or questions to this list or directly to the RIPE Chair Team before 4 May 2026. Kind regards, Mirjam Kühne & Anna Wilson RIPE Chair Team

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[Survey] When do you upgrade your network?
by Romain Jacob 27 Mar '26

27 Mar '26

Dear all, [My apologies if you receive multiple copies of this message] TL;DR I lead an academic research project to better understand the motives behind network hardware upgrades. If you are operating a network infrastructure and have 10 minutes to spare, we would greatly appreciate you filling out this short (anonymous) survey: https://tally.so/r/rjEkZR == Longer version == My name is Romain; I am a senior scientist at ETH Zürich, Switzerland, where I research the environmental impacts of Internet infrastructure and how we can steer networks to become more sustainable in the future. There is increasing evidence that a large part of the Internet's impact comes from the manufacturing, deployment, and recycling of hardware, suggesting that networks could substantially reduce their footprint by keeping network devices in operation for longer, despite possibly higher energy consumption in older hardware models. Some of my ongoing research aims to assess whether this hypothesis is correct; happy to tell you more about that if you are interested. Assuming it is indeed correct that network hardware should be kept in operation for longer, if we want to encourage this, we must understand why networks are being upgraded today. * What are the main motives behind network hardware upgrades nowadays? * What factors are preventing or discouraging longer hardware lifetime in networks? We prepared a short survey to help answer those questions. After some brief contextualization questions to clarify the network type and context, the core of the survey presents a list of possible motives for hardware upgrades and asks, for each, how important it typically is in your own network upgrades. The second half of the survey contains (optional) questions related to the current environmental sustainability practices in your organization. If you are operating a network or working for an organization that operates a public or private network infrastructure, we would greatly appreciate you filling out this short (anonymous) survey: https://tally.so/r/rjEkZR And, naturally, you are more than welcome to share this survey within your own network (of humans, I mean). Many thanks in advance! — Romain -- Romain JACOB Postdoctoral Researcher ETH Zurich Networked Systems Group (NSG) Lead: Prof. Laurent Vanbever www.romainjacob.net <https://www.romainjacob.net/> @RJacobPartner <https://twitter.com/RJacobPartner> @jacobr@discuss.systems <https://discuss.systems/@jacobr> Gloriastrasse 35, ETZ G84 8092 Zurich +41 7 68 16 88 22

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Last chance to enter: RIPE Labs competition RIPE 92
by Alun Davies 27 Mar '26

27 Mar '26

Dear colleagues, There's one week left to enter the RIPE Labs article competition for a chance to win free travel, tickets and accommodation for RIPE 92 in Edinburgh this May. You can find full details and see the current entries here: https://labs.ripe.net/competitions/ripe-labs-article-competition-ripe-92/ Looking forward to your submissions! Kind regards, Alun Davies RIPE Labs Editor RIPE NCC

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RIPE92 Second Call for Presentations
by Massimiliano Stucchi 26 Mar '26

26 Mar '26

Dear colleagues, The RIPE Programme Committee (PC) is now opening the second call for presentations seeking for content proposals from the RIPE community for the plenary sessions, lightning talks and BoFs. RIPE92 will be a hybrid meeting so both in-person and virtual presentations would be accepted and encouraged. The deadline to submit a presentation proposal is 9th of April 2026. Proposals submitted after this date will only be considered if there are still time slots available. Already submitted presentations which have not received an acceptance or rejection notification yet are still under consideration. You can read more about the CfP and submit your proposal at: https://pretalx.ripe.net/ripe-92/cfp More about the RIPE92 Meeting: https://ripe92.ripe.net/ Regards, Massimiliano Stucchi (On Behalf of the RIPE Programme Committee)

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