---
service: i.root-servers.net
start-period: '2013-12-10T00:00:00Z'
end-period: '2013-12-11T00:00:07Z'
metric: unique-sources
  num-sources-ipv4: 2871241
  num-sources-ipv6: 80139
  num-sources-ipv6-aggregate: 50484