AS18055
Department of Human Services
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Government allocation +8
- Trust score 73 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 161.146.192.0/19 | 8.2K |
0.3%
|
Department of Human Services | AU | — | — |
| 161.146.224.0/20 | 4.1K |
4.5%
|
Department of Human Services | AU | Australian Capital Territory | Canberra |
| 203.13.0.0/20 | 4.1K |
8.4%
|
Department of Human Services | AU | Australian Capital Territory | Canberra |
| 192.195.44.0/22 | 1.0K |
0.0%
|
Department of Human Services | AU | — | — |
| 192.195.48.0/22 | 1.0K |
1.6%
|
Department of Human Services | AU | — | — |
| 103.45.254.0/23 | 512 |
0.4%
|
Department of Human Services | AU | — | — |
| 161.146.160.0/23 | 512 |
0.8%
|
Department of Human Services | AU | — | — |
| 203.80.58.0/23 | 512 |
11.1%
|
Department of Human Services | AU | — | — |
| 203.217.150.0/23 | 512 |
3.3%
|
Department of Human Services | AU | Australian Capital Territory | Canberra |
| 192.108.99.0/24 | 256 |
0.0%
|
Department of Human Services | AU | — | — |
| 192.195.55.0/24 | 256 |
0.0%
|
Department of Human Services | AU | — | — |
| 202.59.247.0/24 | 256 |
2.7%
|
Department of Human Services | AU | — | — |
| 203.13.43.0/24 | 256 |
0.0%
|
Department of Human Services | AU | Australian Capital Territory | Canberra |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18055 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 161.146.235.0/24 | 60,167 | 2026-07-29 20:28:23 |
| 161.146.236.0/24 | 60,161 | 2026-07-29 20:28:23 |
| 161.146.195.0/24 | 60,153 | 2026-07-29 20:28:23 |
| 161.146.201.0/24 | 60,055 | 2026-07-29 20:28:23 |
| 203.80.59.0/24 | 59,801 | 2026-07-29 20:28:23 |
| 203.80.58.0/24 | 59,759 | 2026-07-29 20:28:23 |
| 203.13.10.0/24 | 59,702 | 2026-07-29 20:28:23 |
| 203.13.0.0/24 | 59,699 | 2026-07-29 20:28:23 |
| 192.108.99.0/24 | 11,779 | 2026-07-29 20:41:14 |
| 161.146.160.0/24 | 10,584 | 2026-07-29 20:41:14 |
| 203.217.150.0/23 | 10,567 | 2026-07-29 20:29:46 |
| 203.13.0.0/20 | 10,534 | 2026-07-29 20:29:46 |
| 203.13.43.0/24 | 10,531 | 2026-07-29 20:29:46 |
| 202.59.247.0/24 | 10,473 | 2026-07-29 20:29:46 |
| 192.195.55.0/24 | 10,449 | 2026-07-29 20:30:46 |
| 192.195.49.0/24 | 10,446 | 2026-07-29 20:30:46 |
| 192.195.48.0/22 | 10,411 | 2026-07-29 20:30:46 |
| 192.195.44.0/22 | 10,398 | 2026-07-29 20:30:46 |
| 161.146.161.0/24 | 10,303 | 2026-07-29 20:29:46 |
| 161.146.224.0/20 | 10,295 | 2026-07-29 20:29:46 |
| 161.146.192.0/19 | 10,286 | 2026-07-29 20:29:46 |
| 103.45.254.0/23 | 9,953 | 2026-07-29 20:29:46 |
Frequently Asked Questions
What is AS18055?
AS18055 is an Autonomous System Number assigned to Department of Human Services. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS18055 announce?
AS18055 announces 21.5K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Australia.
Who operates AS18055?
AS18055 is operated by Department of Human Services. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.
What country is AS18055 registered in?
AS18055 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
