---
service: i.root-servers.net
start-period: '2014-01-21T00:00:00Z'
end-period: '2014-01-22T00:00:07Z'
metric: unique-sources
  num-sources-ipv4: 4986231
  num-sources-ipv6: 85360
  num-sources-ipv6-aggregate: 53713