---
service: i.root-servers.net
start-period: '2016-01-28T00:00:00Z'
end-period: '2016-01-28T23:59:59Z'
metric: unique-sources
  num-sources-ipv4: 3192573
  num-sources-ipv6: 189401
  num-sources-ipv6-aggregate: 116838