---
service: i.root-servers.net
start-period: '2016-03-16T00:00:00Z'
end-period: '2016-03-17T00:00:01Z'
metric: unique-sources
  num-sources-ipv4: 3173940
  num-sources-ipv6: 191521
  num-sources-ipv6-aggregate: 122690