Time: April 29, 2014 15:25:00 (CEST)
Dear LeaseWeb Customer,

We experienced high latency and packet loss due to a DDoS attack in part of our network in our AMS01 data-center.

The following network prefixes might have been affected:

62.212.64.0/22
62.212.68.0/23
62.212.70.0/24
82.192.79.0/24
85.17.128.0/17
85.17.87.0/24
85.17.92.0/22
95.211.32.0/21
95.211.164.0/22
85.17.112.0/23
212.7.204.0/23
185.16.84.0/24
185.46.232.0/24
185.51.192.0/22
62.212.92.0/24
85.17.68.0/22
85.17.135.0/24
85.17.152.0/23
85.17.158.0/24
85.17.166.0/24
85.17.169.0/24
85.17.176.0/24
85.17.181.0/24
85.17.186.0/24
85.17.193.0/24
85.17.252.0/24
95.211.48.0/21
95.211.56.0/23
37.75.152.0/21
80.65.32.0/20
82.192.67.0/24
82.192.69.0/24
85.234.224.0/19
91.224.38.0/23
159.255.192.0/22
178.18.20.0/23
178.18.22.0/24
185.24.240.0/24
193.27.72.0/23
194.0.197.0/24
195.140.240.0/22
62.212.67.0/24
62.212.71.0/24
62.212.74.0/24
62.212.91.0/24
82.192.76.0/23
82.192.86.0/24
82.192.92.0/23
85.17.134.0/24
85.17.199.0/24
85.17.202.0/23
85.17.204.0/23
85.17.206.0/24
85.17.219.0/24
85.17.226.0/23
85.17.228.0/22
85.17.232.0/24
85.17.235.0/24
85.17.236.0/23
85.17.238.0/24
85.17.240.0/22
85.17.244.0/23
85.17.245.0/27
94.75.226.0/26
95.211.40.0/21
95.211.58.0/23
95.211.62.0/23
95.211.64.0/21
95.211.164.0/22
93.190.220.0/22
31.186.168.0/23
195.14.21.0/24
41.191.215.0/24
167.88.48.0/20

2001:1AF8:4100::/40
2001:1AF8:4200::/40
2001:1AF8:4300::/40
2A02:40C0:1::/48
2A02:BC0::/32
2A03:7480::/44
2a01:b2e0::/32

The incoming DDoS is now being filtered and traffic level/connectivity is back to normal. If you notice any issues, please open a ticket via the LeaseWeb Self Service Center, or contact us directly at [email protected].