---
service: i.root-servers.net
start-period: '2013-07-18T00:00:00Z'
end-period: '2013-07-19T00:02:07Z'
metric: unique-sources
  num-sources-ipv4: 3094799
  num-sources-ipv6: 75046
  num-sources-ipv6-aggregate: 43888