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Dear peering partners,

On September 29, 2025, between 5:00 and 6:00 CEST (UTC+2), we will perform scheduled maintenance on our peering.cz router. All BGP session will be brought down for the entire duration of the maintenance.

The following BGP sessions with AS 28952 will be affected: 185.0.20.32 / 2001:7f8:7f::32

Best regards,
Michal Vančo
Senior IP Network Specialist

CETIN Networks, s.r.o.
Pribinova 40, 811 09 Bratislava

Obsah této zprávy má výlučně komunikační charakter. Nepředstavuje návrh na uzavření smlouvy či na její změnu ani přijetí případného návrhu. Smlouvy či jejich změny jsou společností O2 Czech Republic a.s. uzavírány v písemné formě nebo v podobě a postupem podle příslušných všeobecných podmínek společnosti O2 Czech Republic a.s., a pokud jsou dohodnuty všechny náležitosti. Smlouvy jsou uzavírány oprávněnou osobou na základě písemného pověření. Smlouvy o smlouvě budoucí jsou uzavírány výhradně v písemné formě, vlastnoručně podepsané nebo s uznávaným elektronickým podpisem. Podmínky, za nichž O2 Czech Republic a.s. přistupuje k jednání o smlouvě a jakými se řídí, jsou dostupné zde<https://spolecnost.o2.cz/odpovedny-pristup/transparentnost-pri-vyjednavani-o-smlouve/>.

The content of this message is intended for communication purposes only. It does neither represent any contract proposal, nor its amendment or acceptance of any potential contract proposal. O2 Czech Republic a.s. concludes contracts or amendments thereto in a written form or in the form and the procedure in accordance with relevant general terms and conditions of O2 Czech Republic a.s., if all requirements are agreed. Contracts are concluded by an authorized person entitled on the basis of a written authorization. Contracts on a future contract are concluded solely in a written form, self-signed or signed by means of an advanced electronic signature. The conditions under which O2 Czech Republic a.s. negotiates contracts and under which it proceeds are available here<https://spolecnost.o2.cz/en/responsible-approach/process-of-negotiation-of-contract-by-o2/>.

Szanowni Państwo

uprzejmie informujemy o pracach serwisowych – sieć IP/DWDM , które spowodują przerwy w świadczonych dla Państwa usługach w terminie:
Start prac: 2025-10-10 00:01 UTC+2
Zakończenie prac: 2025-10-10 06:00 UTC+2

ID usług objętych przerwą: EPIX-0314-001-G100, EPIX-0314-002-G100P, EPIX-0314-003-G100P, EPIX-0314-004-G100P, EPIX-0314-005-G100P, EPIX-0314-006-G100P, EPIX-0314-007-G100P

Dołożymy wszelkich starań, aby rzeczywisty czas niedostępności usług był jak najkrótszy.
Za powstałe utrudnienia serdecznie przepraszamy

Marcin Stamm
Centrum Zarządzania Siecią HAWE TELEKOM
mail: noc@hawetelekom.com
tel.: (+48) 61 86 14 935

Dzien Dobry,

Niniejszym chciałbym poinformować o pilnych prace techniczne w sieci COLT w Katowicach
VLAN: 902, 903, 906, 907, 908
rozpoczęcie: 22.09.2025 godz 22 GMT
zakonczenie: 23.09.2025 godz 4 GMT

w trakcie prac pojawi sie przerwa w usłudze ok 4h

Za utrudnienia przepraszamy.

Pozdrawiam

Technical Support Team

+48 221128053
support@zprava.pl

www.zprava.pl

MAINTENANCE: Linecard Upgrade at DE-CIX FRA10 (OPEN)

Maintenance ID: DXDB:MAINT:2866

Work start: 2025-09-29 21:00 UTC
Work end: 2025-09-30 02:00 UTC
Work status: ANNOUNCED
Notification type: OPEN
Impact: Full Disruption

Affected entities:
Interface: DXDB:LNI:17506, DXDB:LNI:31044, DXDB:LNI:34661, DXDB:LNI:36302

Work description:

Dear Valued Customers,

We are excited to announce that we will upgrade our setup in the FRA10 (NTT FRA1) location.
This upgrade will enhance our network capacity and ensure we are well-positioned to support our customers’ future growth.

We understand that uninterrupted service is critical to your business operations, and we have taken all necessary measures to minimize any potential impact. Our technical team will closely monitor the migration to ensure it is completed on time and without issues.

Listed customers with access ports at the DE-CIX FRA10 location will be disconnected briefly during the maintenance window.

ATTENTION: Please do not reply to this Email.
Don’t hesitate to contact our customer service via phone or Email if you have any questions.

Affected Customers:
AS8283 – Vereniging Coloclue
AS15547 – netplus.ch SA
AS20940 – Akamai Technologies, Inc.
AS21040 – Datapark AG
AS21245 – Medianova Internet Hizmetleri A.S.
AS21263 – TeleData GmbH
AS21449 – Etat de Geneve – OCSIN
AS25091 – IP-Max SA
AS29691 – Nine Internet Solutions AG
AS34019 – Hivane
AS35360 – Gargunet
AS44854 – ERITAP
AS45009 – BytePark
AS50869 – IPng Networks / Pim van Pelt
AS56987 – Abaclouda SAS
AS57777 – Jeroen Massar
AS198385 – AlpineDC SA
AS209823 – Enki Multimedia SARL
AS210036 – Rayhaan Networks
AS210312 – DaKnOb Networks / Antonios Chariton
AS210890 – ROKR Services BV
Business Insurance Solutions Ltd

If you have any questions, do not hesitate to ask!

Best regards,
–
DE-CIX Customer Service

DE-CIX Management GmbH | Lindleystr. 12 | 60314 Frankfurt am Main | Germany | www.de-cix.net | Phone +49 69 1730902 11 | Fax +49 69 4056 2716 | support@de-cix.net
Geschaeftsfuehrer Ivaylo Ivanov, Felix Hintze | Handelsregister Koeln HRB 51135

OUTAGE: Satellite uplink lost on edge03.fra12 (OPEN/CLOSE)

Maintenance ID: DXDB:MAINT:2857

Work start: 2025-09-10 07:39 UTC
Work end: 2025-09-10 08:35 UTC
Work status: COMPLETED
Notification type: OPEN/CLOSE
Impact: Full Disruption

Affected entities:
Device:
edge03.fra12.de-cix.management:esat-5/1

Work description:

Dear Customers,

Our monitoring systems alerted us about an incident concerning a satellite uplink in our network.
The satellite uplink has been restored successfully and traffic levels are normalized.

Apologizes for the inconvenience caused.

ATTENTION: Please do not reply to this e-mail.
Don’t hesitate to contact our customer service via phone or e-mail if you have any questions.

Affected Customers:

AS3222 – Cinia Oy
AS8544 – PrimeTel PLC
AS8932 – Ucom CJSC
AS12480 – ILK Internet GmbH
AS36351 – IBM Cloud
AS58511 – Swoop Holdings PTY LTD
AS15958 – CETIN Ltd. Belgrade

If you have any questions, do not hesitate to ask!

Best regards,
–
DE-CIX Customer Service

DE-CIX Management GmbH | Lindleystr. 12 | 60314 Frankfurt am Main | Germany | www.de-cix.net | Phone +49 69 1730902 11 | Fax +49 69 4056 2716 | support@de-cix.net
Geschaeftsfuehrer Ivaylo Ivanov, Felix Hintze | Handelsregister Koeln HRB 51135