---
service: i.root-servers.net
start-period: '2015-12-01T00:00:00Z'
end-period: '2015-12-02T00:00:02Z'
metric: unique-sources
  num-sources-ipv4: 33941561
  num-sources-ipv6: 104913
  num-sources-ipv6-aggregate: 63112