AS406
Air Force Systems Networking
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 |
|---|---|---|---|---|---|---|
| 139.241.9.0/24 | 256 |
0.0%
|
Air Force Systems Networking | US | — | — |
| 198.218.225.0/24 | 256 |
0.0%
|
Air Force Systems Networking | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS406 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 |
|---|---|---|
| 198.218.225.0/24 | 211,759 | 2026-07-24 00:09:44 |
| 139.241.9.0/24 | 208,367 | 2026-07-24 00:09:14 |
Frequently Asked Questions
What is AS406?
AS406 is an Autonomous System Number assigned to Air Force Systems Networking. 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 AS406 announce?
AS406 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS406?
AS406 is operated by Air Force Systems Networking. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS406 registered in?
AS406 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
