---
service: i.root-servers.net
start-period: '2016-04-23T00:00:00Z'
end-period: '2016-04-24T00:00:01Z'
metric: unique-sources
  num-sources-ipv4: 2721422
  num-sources-ipv6: 197843
  num-sources-ipv6-aggregate: 127312