---
service: i.root-servers.net
start-period: '2013-12-28T00:00:00Z'
end-period: '2013-12-29T00:00:05Z'
metric: unique-sources
  num-sources-ipv4: 2975660
  num-sources-ipv6: 78054
  num-sources-ipv6-aggregate: 48457