---
service: i.root-servers.net
start-period: '2013-09-01T00:00:00Z'
end-period: '2013-09-02T00:00:09Z'
metric: unique-sources
  num-sources-ipv4: 2499311
  num-sources-ipv6: 77145
  num-sources-ipv6-aggregate: 46309