---
service: i.root-servers.net
start-period: '2013-09-22T00:00:00Z'
end-period: '2013-09-23T00:00:03Z'
metric: unique-sources
  num-sources-ipv4: 2433347
  num-sources-ipv6: 72278
  num-sources-ipv6-aggregate: 42595