Time: July 15, 2016 00:47:00 (CEST)
Dear Leaseweb Customer,

We experienced connectivity issues in part of our network in AMS-01 between 18:35 and 18:45 CEST and between 21:40 and 21:50 CEST due to large DDoS attacks. The attacks were mitigated and traffic levels returned to normal.

The following network prefixes might have been affected:

5.79.64.0/20
5.79.88.0/24
5.79.89.0/24
5.79.90.0/24
5.79.91.0/24
5.79.96.0/20
37.48.64.0/19
37.48.80.0/20
37.48.103.0/24
37.48.104.0/21
37.48.112.0/20
46.17.14.0/23
62.212.86.0/23
81.171.0.0/20
95.211.208.0/24
95.211.145.0/24
95.211.244.0/22
94.75.194.0/24
62.212.81.0/24
62.212.95.0/24
85.17.64.0/23
83.149.98.0/23
83.149.118.0/23
85.17.14.0/23
154.16.156.0/23
178.18.31.0/24
179.43.174.192/26
181.214.50.0/24
181.214.35.0/24
185.19.214.128/26
185.28.68.0/24
185.30.232.0/22
185.56.80.0/24
185.71.224.0/22
185.114.140.0/22
185.145.16.0/22
185.151.60.0/22
185.152.108.0/22
185.155.200.0/22
185.157.52.0/22
191.96.112.0/24
191.96.115.0/24
212.7.213.0/24
212.19.235.0/24
2001:1af8:4700::/44
2a02:2870:8000::/33
2a04:88c0:3::/48
2a07:2c00::/29
2a06:6f80::/29
2a05:b300::/29

If you need further information, please open a ticket via the LeaseWeb Customer Portal, or contact us at [email protected].