---
service: i.root-servers.net
start-period: '2015-05-21T00:00:00Z'
end-period: '2015-05-22T00:09:12Z'
metric: unique-sources
  num-sources-ipv4: 3068204
  num-sources-ipv6: 171562
  num-sources-ipv6-aggregate: 91608