---
service: i.root-servers.net
start-period: '2014-12-18T00:00:00Z'
end-period: '2014-12-19T00:00:05Z'
metric: unique-sources
  num-sources-ipv4: 3020174
  num-sources-ipv6: 145977
  num-sources-ipv6-aggregate: 79937