---
service: i.root-servers.net
start-period: '2016-03-20T00:00:00Z'
end-period: '2016-03-20T23:59:59Z'
metric: unique-sources
  num-sources-ipv4: 2643250
  num-sources-ipv6: 186421
  num-sources-ipv6-aggregate: 119103