---
service: i.root-servers.net
start-period: '2013-06-23T00:00:00Z'
end-period: '2013-06-24T00:00:01Z'
metric: unique-sources
  num-sources-ipv4: 2340077
  num-sources-ipv6: 68892
  num-sources-ipv6-aggregate: 40949