---
service: i.root-servers.net
start-period: '2013-12-01T00:00:00Z'
end-period: '2013-12-02T00:00:10Z'
metric: unique-sources
  num-sources-ipv4: 2347309
  num-sources-ipv6: 72046
  num-sources-ipv6-aggregate: 42835