Our report from the incident on 27/02/2012 is as follows.
DDOS attack to our transit provider’s network
External high volume attack from multiple sources targeting a customer subnet
Intermittent loss of service on multiple subnets
From the information gathered so far the evidence points to a single attack to one customer.
The team are still looking through logs and progressing the incident with the relevant authorities and further measures are currently being invoked to reduce such attacks in future.