---
service: i.root-servers.net
start-period: '2014-02-20T00:00:00Z'
end-period: '2014-02-21T00:00:19Z'
metric: unique-sources
  num-sources-ipv4: 5779554
  num-sources-ipv6: 91936
  num-sources-ipv6-aggregate: 57135