---
service: i.root-servers.net
start-period: '2013-12-06T00:00:00Z'
end-period: '2013-12-07T00:00:04Z'
metric: unique-sources
  num-sources-ipv4: 2885434
  num-sources-ipv6: 71277
  num-sources-ipv6-aggregate: 44298