Tonight at 22:00hrs US CDT we will be upgrading some of our distribution routers in our Dc2 datacenter. The window for this maintenance is 1 hour and total downtime is approx. 5 minutes. The following subnets will be effected by this maintenance:

67.15.6.0/23
67.15.54.0/23
67.15.76.0/23
67.15.104.0/23
66.98.242.0/23
66.98.248.0/23
67.15.2.0/23
67.15.88.0/23
67.15.64.0/23
67.15.18.0/23
67.15.8.0/23
67.15.74.0/23
67.15.12.0/23
67.15.72.0/23
67.15.62.0/23
67.15.80.0/23
67.15.16.0/23
66.98.246.0/23
67.15.220.0/24