---
service: i.root-servers.net
start-period: '2013-05-19T00:00:00Z'
end-period: '2013-05-20T00:00:01Z'
metric: unique-sources
  num-sources-ipv4: 2510928
  num-sources-ipv6: 70786
  num-sources-ipv6-aggregate: 42189