AS398033
U.S. Department of Labor - OASAM/DIRM
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 |
|---|---|---|---|---|---|---|
| 152.180.10.0/23 | 512 |
2.9%
|
U.S. Department of Labor - OASAMDIRM | US | — | — |
| 152.180.20.0/23 | 512 |
1.4%
|
U.S. Department of Labor - OASAMDIRM | US | — | — |
| 166.96.0.0/23 | 512 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | Virginia | Ashburn |
| 166.96.4.0/23 | 512 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | District of Columbia | Washington |
| 205.173.200.0/23 | 512 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | District of Columbia | Washington |
| 166.96.128.0/24 | 256 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | — | — |
| 192.135.5.0/24 | 256 |
1.6%
|
U.S. Department of Labor - OASAMDIRM | US | — | — |
| 199.200.192.0/24 | 256 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | — | — |
| 199.200.222.0/24 | 256 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | — | — |
| 205.173.202.0/24 | 256 |
0.0%
|
U.S. Department of Labor - OASAMDIRM | US | California | San Jose |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS398033 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 |
|---|---|---|
| 152.180.20.0/23 | 28,347 | 2026-07-23 21:09:44 |
| 199.200.192.0/24 | 10,337 | 2026-07-23 21:09:44 |
| 205.173.200.0/24 | 10,287 | 2026-07-23 21:09:44 |
| 166.96.4.0/24 | 10,279 | 2026-07-23 21:09:44 |
| 166.96.5.0/24 | 10,244 | 2026-07-23 21:09:44 |
| 152.180.11.0/24 | 5,468 | 2026-07-23 21:09:44 |
| 152.180.10.0/24 | 5,428 | 2026-07-23 21:09:44 |
| 166.96.128.0/24 | 5,413 | 2026-07-23 21:09:44 |
| 199.200.222.0/24 | 5,347 | 2026-07-23 21:09:44 |
| 205.173.202.0/24 | 5,343 | 2026-07-23 21:09:44 |
| 192.135.5.0/24 | 5,340 | 2026-07-23 21:09:44 |
| 205.173.201.0/24 | 5,261 | 2026-07-23 21:09:44 |
| 166.96.0.0/24 | 5,240 | 2026-07-23 21:09:44 |
| 166.96.1.0/24 | 5,222 | 2026-07-23 21:09:44 |
Frequently Asked Questions
What is AS398033?
AS398033 is an Autonomous System Number assigned to U.S. Department of Labor - OASAM/DIRM. 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 AS398033 announce?
AS398033 announces 3.8K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in United States.
Who operates AS398033?
AS398033 is operated by U.S. Department of Labor - OASAM/DIRM. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS398033 registered in?
AS398033 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
