---
service: i.root-servers.net
start-period: '2013-06-04T00:00:00Z'
end-period: '2013-06-04T23:59:59Z'
metric: unique-sources
  num-sources-ipv4: 3104508
  num-sources-ipv6: 73343
  num-sources-ipv6-aggregate: 43131