---
service: i.root-servers.net
start-period: '2015-07-19T00:00:00Z'
end-period: '2015-07-20T00:00:01Z'
metric: unique-sources
  num-sources-ipv4: 2545164
  num-sources-ipv6: 159307
  num-sources-ipv6-aggregate: 91587