ac3, Australian Centre for Advanced Computing and Communications
AS17918 is ac3, Australian Centre for Advanced Computing and Communications (ac3.com.au). It announces 9,728 IPv4 addresses in 4 prefixes, and 2 IPv6 prefixes.
Australia· APNIC· allocated 2004-03-15· hosting
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Australia9,728 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AC3-AS-AP
- name
- AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
- org
- ORG-ACFA1-AP
- org name
- AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
- org address
- Level 7,, 477 Pitt Street,
- org country
- AU
- country
- AU
- source
- apnic
- updated
- 2025-10-06
- descr
- ac3, Australian Centre for Advanced Computing and Communications
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AA1457-AP
- abuse name
- ABUSE AC3MEMBERAU
- abuse email
- abuse@ac3.com.au
- abuse kind
- role
- admin
- MO273-AP
- tech
- JM2580-AP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.09%
- None here
- None here
- None here
- None here
- None here
- Hosting IP5125.26%
- None here
- None here
- None here
- SSH IP190.20%
- 0.01%
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 117.53.160.0/20 | Australia | valid | 17 | 2026-10-02 |
| 117.53.166.0/24 | Australia | valid | 17 | 2026-10-02 |
| 202.44.98.0/23 | Australia | valid | 17 | 2026-10-02 |
| 202.129.128.0/19 | Australia | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.