---
service: i.root-servers.net
start-period: '2013-06-28T00:00:00Z'
end-period: '2013-06-29T00:00:29Z'
metric: unique-sources
  num-sources-ipv4: 2952954
  num-sources-ipv6: 74515
  num-sources-ipv6-aggregate: 43981