ac3, Australian Centre for Advanced Computing and Communications
AS56307 is ac3, Australian Centre for Advanced Computing and Communications (ac3.com.au). It announces 7,680 IPv4 addresses in 20 prefixes, and 1 IPv6 prefixes.
Australia· APNIC· allocated 2011-06-17· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Australia7,680 · 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 / Level 8 East, 8 Central Avenue, Eveleigh New South Wales 2015
- 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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.04%
- None here
- 0.03%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 103.227.20.0/23 | Australia | valid | 17 | 2026-10-02 |
| 103.227.22.0/23 | Australia | valid | 17 | 2026-10-02 |
| 139.5.172.0/23 | Australia | valid | 17 | 2026-10-02 |
| 139.5.172.0/24 | Australia | valid | 17 | 2026-10-02 |
| 139.5.173.0/24 | Australia | valid | 17 | 2026-10-02 |
| 202.47.84.0/24 | Australia | not found | 17 | 2026-10-02 |
| 202.47.85.0/24 | Australia | not found | 17 | 2026-10-02 |
| 202.52.45.0/24 | Australia | not found | 17 | 2026-10-02 |
| 202.59.246.0/24 | Australia | not found | 17 | 2026-10-02 |
| 202.129.148.0/22 | Australia | valid | 17 | 2026-10-02 |
| 202.129.152.0/21 | Australia | valid | 17 | 2026-10-02 |
| 203.3.178.0/23 | Australia | valid | 17 | 2026-10-02 |
| 203.3.178.0/24 | Australia | valid | 18 | 2026-10-02 |
| 203.3.179.0/24 | Australia | valid | 18 | 2026-10-02 |
| 203.3.188.0/23 | Australia | valid | 17 | 2026-10-02 |
| 203.3.188.0/24 | Australia | valid | 18 | 2026-10-02 |
| 203.3.189.0/24 | Australia | valid | 18 | 2026-10-02 |
| 203.22.104.0/23 | Australia | valid | 17 | 2026-10-02 |
| 203.166.218.0/24 | Australia | not found | 17 | 2026-10-02 |
| 203.202.0.0/24 | Australia | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:df1:3a00::/48 | Australia | valid | 20 | 2026-10-02 |
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