---
service: i.root-servers.net
start-period: '2013-07-15T00:00:00Z'
end-period: '2013-07-16T00:00:15Z'
metric: unique-sources
  num-sources-ipv4: 3120650
  num-sources-ipv6: 74596
  num-sources-ipv6-aggregate: 44694