---
service: i.root-servers.net
start-period: '2014-04-20T00:00:00Z'
end-period: '2014-04-21T00:00:03Z'
metric: unique-sources
  num-sources-ipv4: 2439237
  num-sources-ipv6: 89497
  num-sources-ipv6-aggregate: 54094