Longest Match / Organisations

Registered organisation

Australian Defence Organisation

Address space registered to Australian Defence Organisation, and where it is announced from.

Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.

IPv4 addresses
421,120
IPv6 /64s
17,592,186,044,417
Registered blocks
20
Countries
2

What this tells you

  • Holds 421,120 IPv4 addresses and 17,592,186,044,417 IPv6 /64 networks across 20 registered blocks.
  • 6% of this organisation's IPv4 space is announced. The rest is registered to them and not currently routed.
  • Announced by 7 networks, the largest being AS7474 SingTel Optus Pty Ltd at 3% of the IPv4 space.
  • Its space resolves to 2 countries, mostly Australia (99% of the IPv4 space).

Networks announcing this space

NetworkIPv4 shareIPv6 share
AS7474 SingTel Optus Pty Ltd3%-
AS9466 UUNET Japan Limited2%<0.1%
AS18220 Australian Defence Organisation0.7%<0.1%
AS7575 Australian Academic and Research Network (AARNet)0.2%-
AS1221 Telstra Limited0.1%-
AS209242 Cloudflare BYOIP Customers0.1%-
Everything else, including space not announced (1 more)94%100%

Countries this space resolves to

CountryIPv4 shareIPv6 share
Australia99%100%
Netherlands0.2%-

Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.