---
service: i.root-servers.net
start-period: '2013-09-04T00:00:00Z'
end-period: '2013-09-05T00:00:03Z'
metric: unique-sources
  num-sources-ipv4: 3074244
  num-sources-ipv6: 81414
  num-sources-ipv6-aggregate: 48636