---
service: i.root-servers.net
start-period: '2015-12-09T00:00:00Z'
end-period: '2015-12-09T23:59:59Z'
metric: unique-sources
  num-sources-ipv4: 3209520
  num-sources-ipv6: 183147
  num-sources-ipv6-aggregate: 108679