Netnod tech meeting 2025
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Netnod Tech Meeting 2025 – 20 Years of Community, Connectivity & Tech

Södra Teatern, Stockholm
9 October 2025

20 years of Netnod meetings! Join us at one of Sweden’s most iconic venues, Södra Teatern, as we celebrate two decades of Netnod meetings with a full day (and night) of technical talks, community connection, and a few unexpected surprises.

Why attend the Netnod Meeting?

  • High-quality presentations covering the latest developments and issues. The presenters are experts in their field and their presentations are evaluated by a programme committee to ensure the quality and relevance of the content.
  • Networking Opportunities: Connect with Internet experts, potential collaborators, and industry colleagues that share your passion for technology.
  • 1 to 1: Talk to an expert! Take the opportunity to meet with Netnod’s interconnection, DNS, time, and security experts to see how we can help you.

Registration Details for Netnod Tech Meeting 2025

We’re excited to make the Netnod Tech Meeting 2025 more accessible to companies of all sizes. To encourage broader participation, we’re introducing the following registration terms:

  • Free registration for up to 3 attendees from the same company.
  • For any additional attendees from the same company, there will be a fee of SEK 1500 per person.

This initiative is aimed at giving more companies the chance to attend, connect, and contribute to one of the Internet community’s most important events in the region.

Want to be a meeting sponsor? Contact Johanna@netnod.se

Kurt Erik "Kurtis" Lindqvist
ICANN President and Chief Executive Officer (CEO)
With more than 30 years of experience in engineering and business development of Internet service providers, Internet Exchange Points, and global network carriers.
TBA
Karin Ahl
CEO Netnod
TBA
Magnus Grenfeldt
CEO of Smartoptics
Magnus Grenfeldt is the CEO of Smartoptics, with over 20 years of experience in the telecom and optical networking industry.
TBA
Ahmed Abdelsalam
Engineering Technical Leader at Cisco
SRv6 uSID: fundamental transformation of the IP stack
First name Last name Company AS
Ahmed Abdelsalam Cisco Systems  
Joe Abley Cloudflare 13335
Mikael Abrahamsson evroc AB 51826
Maarten Aertsen NLnet Labs  
Tomas Agartz Netnod 8674
Karin Ahl Netnod  
Mattias Ahnberg Netnod 8674
Hannu Ahola Nokia  
Alperen Akpinar Nokia  
Viktor Alakörkkö
Viktor Alakörkkö IT AB
 
Björn Aldorsson Arctera  
Miguel Alktun Netnod 8674
Rob Allen Netnod  
Cathy Almond ISC 27321
Adel Amodwala
Baffin Bay, Mastercard
 
Michael Anderson Net Insight AB  
Amar Andersson AFRY  
Christoffer Andersson Försvarsmakten 9201
Jonas Andersson Internetstiftelsen  
Mikael Andersson Mobilelinks Europe AB 205166
Ing-Marie Andersson Drugge
SSC (Swedish Space Corporation)
 
John Angelmo GetGeek 209659
Tor Arvill Netnod  
Patrik Bagge Cisco  
Amedeo Beck Peccoz ESpanix 6895
Ray Bellis Internet Systems Consortium 3557
Stefan Berg Consultron  
Magnus Bergman Cleura AB 42695
Letterio Leo Bernava Netnod 8674
Denesh Bhabuta Individual  
Carl Mikael Björn
Vivetuvida Sverige AB
 
Hugo Blom Mastercard 42649
Nicklas Boqvist Waystream  
Oskar Borgqvist Karabro AB 51519
Anand Buddhdev RIPE NCC 25152
Per Burman Smartoptics  
Anders Carlberg
NetNordic Sweden AB
 
Henric Carlsson Juniper Networks  
Joy Chan TWNIC  
Andreia Costa CENTR  
Jonas Cronholm Lundin Getswish AB 214837
Tamás Csillag PCH.net 42
Thomas Dahlbeck T2 Security AB  
João Damas APNIC  
Magnus Danielson
TU/SNUS/Net Insight
 
Klaus Darilion nic.at GmbH
30971 1921 201612 207021
Kushal Das Sunet 1653
Arnold Dechamps Skeyes  
Renzo Diaz Technology Networks - Strategy and Architecture 3301
Erik Domines Erik Domines AB
55559507-9889
Jan Doskočil CZ.NIC  
Lionel Douglas AMS-IX 1200
Iman Dualeh Netnod  
Thibaud Duble Nameshield
20756,209510
Love Dufva Glesys 42708
Lars Eggert Mozilla  
Björn Ehrby Internetstiftelsen  
Didrik Ehrenborg
Meinberg.se c/o Ehrenborg Networks AB
 
Oscar Ekeroth Baffin Bay Networks/Mastercard 42649
Viktor Ekmark Inode 213113
Nemo Ekström 31173 Services AB 39351
Joel El Aziz Netnod 8674
Zacharias El Banna Juniper Networks  
Jonathan Eliasson Internetstiftelsen  
Christian Elmerot Cloudflare  
Janne Elvelid Meta 32934
Claudia Erices NIC Chile 52304
Torsten Ericsson Hi3G 44034
Fredrik Eriksson Baffin Bay Networks AB 42649
Johanna Eriksson Netnod 8674
Per Eriksson SAAB AB 64711
Peter Eriksson 31173 Services AB 39351
Johan Ervenius Arista Networks 55064
Martin Falberg Network 2799
Herbert Faleiros NIC.br 22548
Peter Falk Huber+Suhner  
Babak Farrokhi Quad9 19281
Morten Werner Forsbring NIX / University of Oslo 203515
Jonas Forsgren Arelion 1299
Cecilia Fredlund GlobalConnect 12552
Mattias Fridström Arelion Sweden AB 1299
Patrik paf Fältström Fältström Netnod 8674
Daniel Förnes Arista Networks  
Marcelo Gardini NIC.br 22548
Niklas Gerdin SNUS  
Kate Gerry NetActuate, Inc 36236
Owe Grafford Telia Company AB 3301
Erik Gulliksson Spotify 8403
Johan Gustawsson Cisco  
Olof Hagsand SUNET  
Torfinn Halmoy Linksys Nordics  
Lars Hansson Telenor Sverige  
David Hasselquist
Sectra Communications
 
Johan Hedberg Outpost24, Quad9
19281 200712
Mikael Hedberg Arelion Sweden AB 1299
Uffe Hedlund Netnod 8674
Bjorn Hellqvist Telia Company 3301
Alexander Hjelm Hjelm Enterprises AB / Nordic Fighter AB 199950
Jonathan Hoang Skylane Optics  
Joel Holmberg Opto Dynamics AB  
Fredrik Holmqvist DCS Networks 50989
Philip Homburg NLnet Labs  
Shumon Huque Salesforce  
Jan Hällström Opto Dynamics AB  
Peter Hällström Tellus Fiber  
Mats Igeskog 3 scandinavia 44034
Kim Isaksson Baffin Bay Networks 42649
Henrik Ishihara Netnod  
Hamid Jafarli Hi3G Access AB 44034
Per Jakobsson Götalandsnätet AB 12597
Viktor Jakobsson Wberg Networks 8873
Tobias Jansson Accessbolaget 202395
Percy Jarehem Telia Sverige AB 3301
Lasse Jarlskov Telia Company 3301
Tomasz Jaszczyk Akamai Technologies 20940
Robin Johansson 84 Grams AB 57630
Arnaud JOLIVET Nameshield
20756,209510
Daniel Jorgensen Nokia  
Jonny Jåltsäter Arista  
Hans Jönsson Tre 44034
Per Kangru Viavi Solutions  
Christian Karlsson 31173  
Johan Karlsson SweHosting 208453
Mattias Karlsson Netnod 8674
Olof Kasselstrand nLogic  
Katerina Kazak Linksys Nordics  
Oscar Kene evroc 51826
Staffan Kerker Splisado AB  
Arya Khanna NLnet Labs  
Jihye Kim
University of the Bundeswehr Munich
 
Dmytro Kohmanyuk Hostmaster.UA 29067
Fredrik Korsbäck Meta 32934
Lars Mikael Krantz No Ack Infrastruktur AB / No Ack Hosting
30893, 13214
Jonas Krogell Juniper Networks  
Mikael Kullberg Cat Herd AB  
Johan Lahti Acebit  
Peter Lamperud Bankgirot 31574
Kristian Larsson AB Centor S.A. 2863
Sebastian Larsson Netcoil AB 210483
Vincent Levigneron Afnic
2482 2483 2484 2485 2486
Nicolai Leymann Deutsche Telekom 3320
Sara Lidbaum Netnod  
Calle Lidstrom Fujitsu 20861
Kent Lidström Smartoptics  
Johan Liljegren Resona Glecom AB 52177
Lars-Johan Liman Netnod 8674
Stefan Lindeberg Consior AB  
Johan Linder Tele2 1257
Christian Lindholm Netnod 8674
Daniel Lindholm Vargas Obenet 3399
Filip Lindroos GlobalConnect AB
12552 31027 2116
Malory Liu
The Siemon Company
 
Rok Lord Podgrajsk Cisco  
Patrik Lundin SUNET 1653
Peter Lundqvist Arista Networks 55064
Jerry Lundström DNS-OARC  
Eric Löwgren Glesys AB 42708
Anders Löwinger Abundo AB 6782
Jonathan Magnusson Karlstad University  
Peter Magnusson Internetstiftelsen 197564
mohammad Mahloujian Ite  
Johan Marcusson Sunet 1653
Sören Matiros Netnod 8674
Henrik Melwin AWS 16509
Nathan Meurrens EURid  
Weizhong Miao China Telecom(Europe) Ltd. 23764
Livio Morina Airbeam - PeeringDB 50877
Per Marker Mortensen GlobalConnect
12552 31027 2116
Roger Murray Internetstiftelsen  
Jan-Erik Mångs Ericsson  
Shiva Swaroop N K KTH  
Tommy Nevtelen SONIX / Redpill-Linpro 61229
Erik Nihlén Cisco  
Jonas Nilsson Försvarsmakten 9201
Måns Nilsson SVT 201641
Patrik Nilsson patrik.com  
Åke Nordin Netia Data AB  
Mats Nordqvist evroc AB  
Peter Nõu Uppsala kommun  
Paul Ohrt Internetstiftelsen  
Anders Olausson Amocon  
Robert Olsen nLogic  
Philip Olsson Teleservice Bredband Skåne AB 34244
Emil Palm Netnod 8674
Sebastian Palmqvist Netnod AB 8674
Martin Pels RIPE NCC
25152 197000
Libor Peltan CZ.NIC  
Jesper Permerud Cogent 174
Jimmy Persson
Svenska Stadsnätsföreningen
 
Matej Pipiska Spotify  
Sarah Pratt Netnod  
Daniel 'f0o' Preussker QuxLabs AB
214503, 203038, 60205
Martin Pålsson FM 9201
Jonas Qvarfordt Netnod  
Moin Rahman Cybermancer Infosec B.V. 212839
Ranjan Rajah CONAPTO AB 49079
Jaakko Rautanen rautanen.io  
Phil Regnauld DNS-OARC 64238
Sandra Rending 84 Grams AB 57630
Johannes Renfors Nokia  
Cynthia Revström Iver  
Yngve Rodenvall Telia 3301
Björn Rougén Smartoptics  
Baziyan Safari inter.link 5405
Jonny Sandén Netnod 8674
Emil Saren FRB Networks  
Gabriella Schittek ICANN  
Sverre Schriwer Anaximander AB  
Aleksei Serdiuk RETN Nordic AB 9002
Josh Simpson InternetNZ  
Anders Sjöqvist Intry AB  
Morgan Skoog Telenor AB 8434
Vincent Sleiffer Adtran  
Petr Špaček Internet Systems Consortium 3557
Plux Stahre Höglandsförbundet 51899
Vid Stamenković ARNES  
Arsen Stasic University of Vienna
760, 1853, 35052
Gerhard Stein Flexoptix GmbH 199121
Maria Stellinger Ernblad Helsingborgs stad  
Johan Stenstam Internetstiftelsen  
Stefan Stexgård Gävle Energi AB 16117
Alastair Strachan RIPE NCC  
Tomas Strand Axians AB 20514
Björn Strömgård Netnod AB 8674
Daniel Ståhl Afry  
Jörgen Städje Techtext media AB  
Steve Sullivan DNS-OARC  
Kenneth Sundell Nokia  
Torbjörn Svanberg Nokia  
Dick Svensson SEB 44320
Joel Söderman Netnod 8674
Daniel Sörlöv
Totalförsvarets Förvaltningsorganisation
 
Ibrahim Tachijian Obenet 3399
Andreas Taudte p-square GmbH  
Konstantin Ternianov TBISS 42295
Andrejs Tihanovs SIA RETN Baltic 9002
John Todd Quad9 19281
Njörður Tómasson
The Electronic Communications Office of Iceland (ECOI)
 
Willem Toorop NLnet Labs 211321
Jacek Topolski Netflix 2906
Teresa Tran GetGeek AB 209659
Nathalie Trenaman AMS-IX 1200
Ash Tunelid FMV  
Mark Vanderhaegen Nokia  
Mauricio Vergara Ereche DigitalOcean  
Markus Viitamäki Embark Studios
58317, 48448
Anders Viljosson
Försvarets materielverk
 
Theo Voss Inter.link 5405
Fredrik Waern
Sectra Communications AB
 
Dennis Wallberg NORDUnet 2603
Niklas Wallin Sveriges Television 201641
Patrik Wallström
Cparta Cyber Defense
 
Sophie Weidemyr Tellus fiber  
Mark Wemhöner Tele2 1257
Duane Wessels Verisign  
Magnus Westerlund Ericsson  
Sigrid Westman
Embassy of the Kingdom of The Netherlands in Sweden
 
Emil Westrin 84 Grams AB 57630
Alexander Wikström Tellusfiber  
Filip Wilhelmsson Smartoptics AS  
Tobias Windh Obenet 3399
Ulrich Wisser ICANN  
Suzanne Woolf
Public Interest Registry (.ORG)
 
Alexander Wågberg Netnod AB 8674
Filiz Yılmaz GoodNets  
Niclas Zeising B3 Init AB  
Rasmus Åberg
Raspiid Engineering AB
 
Kristian Ørmen Internetstiftelsen 197564
Amanda Östlund Amazon Web Services 16509

Meeting and social Location 

Södra Teatern, Stockholm 

Mosebacke Torg 1 - 3, 116 46 Stockholm


Accommodation

For those of you in need of accommodation, we recommend staying at the following hotels as you will be close to our meeting venue. 

Hilton Stockholm Slussen

Scandic Malmen

NOFO Hotel

Citybox hotels

9th October
TimeTalkSpeakers
08:00
Registration opens
09:00
Welcome
09:15
Netnod update
09:40
The global impact of individual actions and our collective work
10:00
Recursive DNS in Telia Company Sweden
10:30
Coffee Break
Room: Kristallen
11:00
DNS Week update
Phil Regnauld, DNS-OARC
11:20
SRv6 uSID: fundamental transformation of the IP stack
12:00
Lunch
13:00
Mastering Network Operations: The Power of Abstraction in Automation
13:30
Your AS-set is crucial to your routing security. 3 tips on securing your AS-set
13:45
Optics was instrumental in building the Internet—and will be crucial in an AI-driven world
14:45
The Illusion of Control: Trusting Software in the Age of Compromise
15:15
Coffee Break
15:40
Ultra Ethernet
16:10
Analyzing network reliability up to 800G - Impact of SNR thresholds on BER for Coherent (16QAM) and Non-Coherent (PAM4) high speed transceivers under environmental variations
16:40
Building Modern and Scalable DC Fabrics
17:10
Encrypted Network Traffic Analysis and Protection
17:40
One more Thing & Closing
18:00
Social
Södra Teatern

Welcome to Stockholm! Whether it’s your first time here or you’re back for more, we’ve put together some highlights, local tips, and “musts” to make the most of your stay.

 

What to See

  • Gamla Stan (Old Town) – cobblestone streets, colorful houses, cozy cafes.
  • Monteliusvägen – best view of Stockholm, perfect for nerdy selfies 📸.
  • Östermalms Saluhall – historic food hall (try the seafood).
  • SoFo (Nytorget + streets around it) – hip shops, cafes, record stores.
  • Djurgården walk – nature in the middle of the city.
  • Rosendals Trädgård – green oasis for fika & sustainability vibes.
  • ABBA Museum – because who doesn’t secretly love ABBA? 🎶
  • Skansen – world’s oldest open-air museum with Swedish history & animals.
  • Space Stockholm – gaming, esports & digital culture hub.
  • Archipelago trip – if you have time, take a short ferry ride to Fjäderholmarna.

Museums to Visit

  • Nationalmuseum – classic art.
  • Vasamuseet – 1600s warship, surprisingly nerdy.
  • Moderna Museet – modern art.
  • Nobel Prize Museum – science meets inspiration.
  • Fotografiska – world-class photography.
  • ABBA Museum – yes, we listed it twice because it’s that fun.

Where to Drink Beer

Sweden has a strong craft beer culture. Some classics:

  • Oliver Twist
  • Omnipollos Hatt
  • Akkurat (legendary beer bar)
  • Omaka
  • Zum Franziskaner (old-school pub)
  • Lådan
  • Pub Anchor (metal vibes)

Where to Eat Swedish Meatballs or a Toast Skagen

  • Prinsen
  • Pelikan
  • Tennstopet
  • Wärdshuset Ulla Winbladh
  • Sturehof

Where to Eat the Best Cinnamon Bun (A Must!)

  • Lillebrors
  • Stora Bageriet
  • Ett Bageri
  • Socker Sucker
  • Svedjan

(Pro tip: pair with coffee for the ultimate Swedish fika).

Extra Nerdy/Local Tips

  • Fika every day – it’s practically mandatory.
  • Cashless city – card/mobile pay everywhere.
  • Systembolaget – want wine or strong beer? You’ll need to visit Sweden’s state-run liquor store.


Transportation

Public transportation - just tap your credit card and travel for 75 minutes even if you change transportation for just SEK 43 <https://sl.se/en/fares-and-tickets/contactless-pay-as-you-go/how-to-pay-as-you-go>

Taxi:

To avoid overpriced rides, stick with:
✔️ Uber / Bolt
✔️ Taxi Stockholm – 08-15 00 00
✔️ Sverige Taxi – 020-202020
✔️ Taxi Kurir – 08-300000
✔️ Taxi 08 – 08-57151557

Avoid “free” taxis outside Central Station – they’ll charge triple.

Enjoy Stockholm – and don’t forget to tag us if you share your fika & view pics!

Netnod Tech Meeting 2025 
– 20 Years of Community, Connectivity & Tech

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