AS18055 — CENTRELINK Department of Human Services

AS18055 announces 13 IPv4 prefixes covering 21,504 addresses and 2 IPv6 prefixes.

About this network

CENTRELINK is the autonomous system for Centrelink, the Australian government agency operating under the Department of Human Services.

What it's used for

• The address space carries internal government infrastructure, evidenced by the DHSNET-AU netname and the pst.my.gov.au reverse DNS record.
• The AS announces 21,504 IPv4 addresses across 23 prefixes and 2 IPv6 prefixes, while maintaining only 2 observed neighbours, indicating a dedicated internal network rather than a transit provider.

Notable

• Registrants consistently identify the Department of Human Services, with specific administrative contacts for the DHS Network and Gateway.
• Centrelink was integrated into the Department of Human Services in 2011, a structural change reflected in the current registry holder name.
• The inventory is dominated by the 161.146.0.0/16 range, with smaller allocations in 203.13.0.0/16 and 192.195.0.0/16.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.45.254.0/23
• 161.146.160.0/23
• 161.146.192.0/19
• 161.146.224.0/20
• 192.108.99.0/24
• 192.195.44.0/22
• 192.195.48.0/22
• 192.195.55.0/24
• 202.59.247.0/24
• 203.13.0.0/20
• 203.13.43.0/24
• 203.80.58.0/23
• 203.217.150.0/23
• 2001:df0:86::/48
• 2407:6a00::/32

Upstream networks

• AS1221 Telstra Limited
• AS32787 Akamai Technologies, Inc.

Adjacent networks

• AS1221 Telstra Limited
• AS32787 Akamai Technologies, Inc.