---
service: i.root-servers.net
start-period: '2015-01-22T00:00:00Z'
end-period: '2015-01-23T00:00:20Z'
metric: unique-sources
  num-sources-ipv4: 2968531
  num-sources-ipv6: 148436
  num-sources-ipv6-aggregate: 81314