---
service: i.root-servers.net
start-period: '2013-12-30T00:00:00Z'
end-period: '2013-12-31T00:00:04Z'
metric: unique-sources
  num-sources-ipv4: 3469944
  num-sources-ipv6: 80059
  num-sources-ipv6-aggregate: 49682