---
service: i.root-servers.net
start-period: '2013-07-22T00:00:00Z'
end-period: '2013-07-23T00:01:44Z'
metric: unique-sources
  num-sources-ipv4: 3114260
  num-sources-ipv6: 76278
  num-sources-ipv6-aggregate: 44775