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IANA AS Numbers Registry Update
by David Dong 15 Mar '26

15 Mar '26

Hi, The IANA AS Numbers registry has been updated to reflect the allocation of the following blocks to ARIN: 402333-403356 Assigned by ARIN 2026-03-14 403357-404380 Assigned by ARIN 2026-03-14 You can find the registry at: https://www.iana.org/assignments/as-numbers/ The allocation was made in accordance with the Policy for Allocation of ASN Blocks to Regional Internet Registries: https://www.icann.org/resources/pages/global-policy-asn-blocks-2010-09-21-en Best regards, David Dong IANA Services Sr. Specialist

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Cyon public Blacklist usage
by Erich Hohermuth 13 Mar '26

13 Mar '26

Dear all, One of our residential customers is no longer able to reach his domain hosted by Cyon. According to their support, this is caused by a bad score from RBLs. A quick check shows that these RBLs are dedicated to mail, not hosting. Did I miss a new magic bullet in the hosting scene where scoring is used for website access? If you feel directly responsible, please contact me off-list. Best regards, Erich

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IANA AS Numbers Registry Update
by David Dong 11 Mar '26

11 Mar '26

Hi, The IANA AS Numbers registry has been updated to reflect the allocation of the following block to AFRINIC: 329728-330751 You can find the registry at: https://www.iana.org/assignments/as-numbers/ The allocation was made in accordance with the Policy for Allocation of ASN Blocks to Regional Internet Registries: https://www.icann.org/resources/pages/global-policy-asn-blocks-2010-09-21-en Best Regards, David Dong IANA Services Sr. Specialist

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[FYI] DENOG meets ATNOG - Meetup am Bodensee in Hörbranz
by Arnold Nipper 08 Mar '26

08 Mar '26

Hoi zusammen Unter dem Motto „DENOG meets ATNOG“ veranstaltet der DENOG e.V. sein erstes gemeinsames Meetup mit der Internet-Community aus und in Österreich. Datum: Donnerstag, 26. März 2026 Zeit: 18:30 Uhr Ort: Nesevo GmbH & Co KG, Lochauer Str. 2, 6912 Hörbranz, Österreich Anmeldung unter [0]. Viele Grüsse Arnold [0] https://www.denog.de/de/events/meetup-2026-02.html -- Keep calm, keep distance, keep connected! Arnold Nipper email: arnold(a)nipper.de mobile: +49 172 2650958

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Sunrise/Hispeed/Swissonline Mail Issue
by Winiger Marc 06 Mar '26

06 Mar '26

Dear all We're no longer able to send emails to the Sunrise mail servers: sunrise.ch. 1800 IN MX 10 mxin2-sunrise-ch.edge.unified.services. sunrise.ch. 1800 IN MX 10 mxin1-sunrise-ch.edge.unified.services. domain: sunrise.ch IP: 94.169.2.2 port: 25 details: 421-'4.2.0 MXIN618 Temporary Policy Violation detected, retry later ; domain: hispeed.ch IP: 94.169.2.18 port: 25 details: 421-'4.2.0 MXIN618 Temporary Policy Violation detected, retry later ; domain: swissonline.ch IP: 94.169.2.18 port: 25 details: 421-'4.2.0 MXIN618 Temporary Policy Violation detected, retry later ; If you feel responsible or able to help finding contacts, please contact me off list. Gruss Marc Winiger Telefon +41 44 292 74 57 Email marc.winiger(a)zkb.ch ________________________________ Disclaimer: Diese E-Mail enth?lt m?glicherweise vertrauliche Informationen und ist einzig f?r den beabsichtigten Empf?nger bestimmt. Sollten Sie diese E-Mail irrt?mlicherweise erhalten haben, bitten wir Sie, die Z?rcher Kantonalbank unverz?glich zu benachrichtigen und diese E-Mail sowie deren Anh?nge sofort zu l?schen. Unbefugte Verwendung kann geahndet werden. Vielen Dank.

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Update to .CH and .LI Zone Publication Schedule
by Daniel Stirnimann 02 Mar '26

02 Mar '26

Dear community, We would like to inform you of an update to the publication schedule of the .CH and .LI TLD zone data. To support faster recovery from technical misconfigurations (e.g., DNSSEC key rollovers or nameserver changes), the zone publication frequency has been increased as follows: Previous: Once per hour, at the full hour (:00) New: Every 30 minutes, at :00 and :30 This change has been rolled out today and is now in effect. In addition, dynamic delegation TTL adjustments have been in place since 18 November 2025 to further improve recovery times. When delegation information (NS or DS records) is created or updated - including new registrations and delegation changes - the delegation TTL is temporarily reduced from the default of 1 hour to 15 minutes for a period of 12 hours. This enables corrected delegation configurations to propagate more quickly. If you have any questions, feel free to reach out. Kind regards, Daniel -- Daniel Stirnimann, Switch CERT Werdstrasse 2, P.O. Box, 8021 Zurich, Switzerland phone +41 44 268 15 15, direct +41 44 268 16 24 https://switch.ch https://swit.ch/linkedin

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SwiNOG #41 - Registration is open
by Steven Glogger 04 Feb '26

04 Feb '26

Dear SwiNOG community, The speeches are rolling in, sponsors are getting on board and it’s looking good for Tuesday, 28th of April 2026, Berne. Please register your seat now: https://register.swinog.ch/ Greetings, -steven

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SwiNOG Beers - Zurich, 12th February 2026
by Massimiliano Stucchi 03 Feb '26

03 Feb '26

Hi everyone, after a long time, we are now organising SwiNOG beers in Zurich for the 12th of February. We will be meeting at Paddy Reilly's (https://paddys.ch/zurich/) at 17:30 on Thursday, February 12th. Everyone is welcome and there's no need to pre-register, although if you send me an email to let me know of your intentions, it will help in understanding how big of a group we will be. The formula is simple: just show up and enjoy meeting other networkers. Everyone pays for his/her own drinks and food. For any question, please feel free to get in touch with me. I hope to see many of you at the event! Ciao! -- Massimiliano Stucchi MS16801-RIPE https://stucchi.ch This email was composed without using any LLM

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### SwiNOG #41 (2026-04-28) - Call for Papers ###
by Simon Ryf 30 Jan '26

30 Jan '26

Dear SwiNOG community, Please forward me to whomever you think should know about our community and the upcoming event. This is the official Call for Paper email. Please submit your proposal via https://www.swinog.ch/cfp/ The 41st meeting of the Swiss Network Operators Group (SwiNOG) will be held in Berne on top of the Gurten on Tuesday April 28th, 2026. Location: https://wego.here.com/l/46.91963060309784,7.439032069847434 Important Dates for http://www.swinog.ch/meetings/swinog41/ 30.01.2026 Call for Papers 02.02.2026 Registration opens -> https://register.swinog.ch/ 29.03.2026 Publication of preliminary agenda 19.04.2026 Registration closes 24.04.2026 Deadline for all slides 28.04.2026 Meeting Day Topics for Presentations/Talks Please re-submit your paper if you're still up with a topic which you have submitted earlier. The number and length of presentations per session is not fixed, although we prefer it to be between 5 to 30 minutes. Here is a non-exhaustive list of typical SwiNOG meeting topics: * Security, DDOS Mitigation, * IPv6 * Open-Source- / GitHub projects * International view of the internet (incidents, outages, measurements) * Routing & Peering * Applications (DNS, Web, Network Virtualization, Orchestration, Monitoring etc.) * Takeaways from your projects / troubleshooting-sessions * Legal issues (BÜPF, etc.) * Telecommunication politics (Net Neutrality, Incumbent monopoly, etc.) * Off-Topic if you think the audience will enjoy Feel free to talk to us about any kind of topic and collaboration! Or you can always start a discussion on the list - I'm sure people join in. Or join our telegram group at https://t.me/SWINOG Language of Slides and Talks The whole day will be hold in English, therefore we kindly ask you to produce your presentation in English. Submission Guidelines * All submissions must have a strong technical bias and must not be promotional. * We also welcome lightning talks (3-5 Minutes). If entertaining – they can also be completely off-topic. * Presentations should be suitable for a target audience of technicians from varied backgrounds, working for companies whose sizes may vary considerably. * Presentation will be published (PDF) on the SwiNOG website after the event (if confirmed/permitted by the speaker). * On request we publish modified slides (removed confidential content, etc.) * Presentations should be suitable for a target audience of technicians from varied backgrounds, working for companies whose sizes may vary considerably. To submit a proposal for a presentation, please fill in the form at https://www.swinog.ch/cfp/ We also welcome suggestions for specific presentations which you feel would be valuable to the SwiNOG community and we try to chase a speaker for it. Greetings, Simon SwiNOG Core Team swinog-core(a)swinog.ch<mailto:swinog-core@swinog.ch> General Information (SwiNOG Community) The Swiss Network Operators Group (SwiNOG) is an informal group of people who are concerned with engineering and operation of the Swiss Internet. SwiNOG exists to enhance the quality of Internet services available in Switzerland. It does this by fostering the free exchange of technical ideas and information between different companies and organisations. SwiNOG is a community for professionals who are operating, designing, or researching the Internet. It provides a technical forum where those working on, with and for the Internet can come together to solve problems with every aspect of their (net)work. The meeting is designed to provide an opportunity for the exchange of information among network operators, engineers, researchers, and other professionals close to the network community. More information about SwiNOG can be found at http://www.swinog.ch<http://www.swinog.ch/> Information about the meeting will be published at http://www.swinog.ch/meetings/swinog41/ General Information (SwiNOG Organisation) The SwiNOG Organisation Association is a non-profit association under article 60 and further of the swiss civil law. It manages the SwiNOG community ressources (domain, web, mailing-lists, etc..) and organises SwiNOG meetings. Contact: SwiNOG Organisation 8000 Zurich Switzerland

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[Jobs] No politics, no layers of "buffer" management. Just you, the team, and the backbone
by Stefan Funke 16 Jan '26

16 Jan '26

Good morning SWINOG! Before you head off into your weekend, here is something that might be interesting if you are looking for a change or something to share with someone who would be a good fit. https://inter.link/about-interlink/careers/senior-software-network-engineer… I'm looking for the engineers the big ISPs are currently stifling. The Role: Build a better, faster, more sustainable Internet. The Requirements: A get-shit-done mindset. The Vibe: Write good code. Help the customer. Go home happy. The European IP market is dominated by giants that move like glaciers. They're weighed down by legacy tech, layers of middle management, and 'corporate theater' that prioritizes paperwork over packets. At Inter.link we're the new kid on the block-and we're doing things they can't. We're a team of 30. We don't have a 5-year committee for a routing change, and we don't care about your degree or how many certificates you've collected. We care about weather you can build a faster, more sustainable internet. Why we're different: Engineering > Politics: I'm the Head of Network & Infrastructure, not a career politician. My job is to clear the path so you can write good code and build world-class systems. Green by Design: We don't just buy 'carbon credits'. We build efficient, modern infrastructure because doing it right is better for the planet and our customers. The Underdog Advantage: We are small, lean, and hungry. We are disrupting the traditional carriers because we actually care about the craft. The deal is simple: You bring a 'get-shit-done' mentality and a passion for building things that actually work. In return, you get total ownership, zero bureaucracy, and the chance to help a young company take on the giants. If you're tired of being a cog in a slow-moving machine and want to be a builder in a fast-moving one, let's talk. No formal HR portal. Just send me a message at stefan(a)inter.link Cheers, -Stefan

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