---
service: i.root-servers.net
start-period: '2013-10-21T00:00:00Z'
end-period: '2013-10-22T00:00:04Z'
metric: unique-sources
  num-sources-ipv4: 2975537
  num-sources-ipv6: 78674
  num-sources-ipv6-aggregate: 46532