---
service: i.root-servers.net
start-period: '2016-01-19T00:00:00Z'
end-period: '2016-01-19T23:59:59Z'
metric: unique-sources
  num-sources-ipv4: 3170639
  num-sources-ipv6: 188768
  num-sources-ipv6-aggregate: 118471