---
service: i.root-servers.net
start-period: '2013-12-12T00:00:00Z'
end-period: '2013-12-13T00:00:12Z'
metric: unique-sources
  num-sources-ipv4: 3025103
  num-sources-ipv6: 79561
  num-sources-ipv6-aggregate: 50716