---
service: i.root-servers.net
start-period: '2014-04-18T00:00:00Z'
end-period: '2014-04-19T00:00:07Z'
metric: unique-sources
  num-sources-ipv4: 2721743
  num-sources-ipv6: 90687
  num-sources-ipv6-aggregate: 55244