---
service: i.root-servers.net
start-period: '2013-12-14T00:00:00Z'
end-period: '2013-12-15T00:00:04Z'
metric: unique-sources
  num-sources-ipv4: 2508855
  num-sources-ipv6: 76404
  num-sources-ipv6-aggregate: 48064