---
service: i.root-servers.net
start-period: '2014-03-19T00:00:00Z'
end-period: '2014-03-20T00:00:16Z'
metric: unique-sources
  num-sources-ipv4: 4251385
  num-sources-ipv6: 91563
  num-sources-ipv6-aggregate: 56016