---
service: i.root-servers.net
start-period: '2013-12-07T00:00:00Z'
end-period: '2013-12-08T00:00:38Z'
metric: unique-sources
  num-sources-ipv4: 2455147
  num-sources-ipv6: 68891
  num-sources-ipv6-aggregate: 43024