---
service: i.root-servers.net
start-period: '2014-03-21T00:00:00Z'
end-period: '2014-03-22T00:00:03Z'
metric: unique-sources
  num-sources-ipv4: 4047391
  num-sources-ipv6: 89871
  num-sources-ipv6-aggregate: 55074