Dear Fiberring Customer, 

[Canceled]
Due to COVID-19, this maintenance has been canceled and will be re-scheduled at a later date. 

[Recheduled ]
Dear Sir/Madam,

This maintenance is rescheduled for :
Date:  October 8, 2019
Time:  04:00 CET (UTC+01:00) - 07:00 CET (UTC+01:00)
The maintenance window will be 3h. Actual expected downtime for services is below 1h.


[Update Sep 17 01:00] 
Due to unforeseen circumstances, this maintenance is canceled and will be rescheduled. We apologise for the inconvenience.

[Original Announcement]
As part of our commitment to continuously improve the level of service we provide, we would like to inform you about an upcoming network infrastructure maintenance. 

We will perform maintenance on our network infrastructure that will affect mpls services at AMS-10 as well as customers having IP transit/IP connectivity over mpls via our fbx-r1 router at AMS-10.

WHEN CAN YOU EXPECT IT? 
Date:  September 17, 2019
Time:  04:00 CET (UTC+01:00) - 07:00 CET (UTC+01:00)
The maintenance window will be 3h. Actual expected downtime for services is below 1h.

WHAT IS THE IMPACT ON YOUR SERVICE? 
During this maintenance, your services will face interruptions. We are replacing the device,so connections have to be migrated from the old device to new one. Below you can find a detailed breakdown of the services impacted by this maintenance: 

- MPLS only services at AMS-10
- IP transit with AS38930 and Internet access with IP's within the below ranges:

87.255.32.0/28
87.255.32.28/30
87.255.32.48/30
87.255.32.56/30
87.255.32.72/30
87.255.32.80/30
87.255.32.84/30
87.255.32.96/30
87.255.32.116/30
87.255.32.128/30
87.255.32.136/30
87.255.32.140/30
87.255.32.152/29
87.255.32.160/29
87.255.32.180/30
87.255.33.0/25
87.255.33.160/27
87.255.34.30/27
87.255.34.132/29
87.255.34.200/29
87.255.34.208/28
87.255.34.240/28
87.255.35.108/30
87.255.35.140/30
87.255.35.192/30
87.255.35.204/30
87.255.35.220/30
87.255.36.224/28
87.255.37.80/28
87.255.38.0/27
87.255.41.184/29
87.255.41.208/28
87.255.42.64/26
87.255.42.128/26
87.255.42.232/29
87.255.42.240/29
87.255.49.168/29
87.255.50.32/27
87.255.50.128/29
87.255.50.144/29
87.255.50.209/32
87.255.50.210/32
87.255.50.208/29
87.255.50.224/27
87.255.51.128/27
87.255.51.196/30
87.255.53.48/29
87.255.53.128/26
87.255.53.192/29
87.255.56.96/29
87.255.56.126/28
87.255.56.220/30
87.255.56.224/30
87.255.57.8/29
87.255.57.152/29
87.255.58.248/29
87.255.60.0/27
87.255.60.144/29
171.33.224.0/21
217.194.16.0/24

Please be assured that we will do our best to keep the downtime as minimal as possible. Our engineers will be available during and after the maintenance should any issues arise.

Sincerely,

FiberRing
http://noc.fiberring.net

Data center naming system is explained here:
http://www.fiberring.com/en/our-network