AS22989
Free Software Foundation, Inc.
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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About this organization
The Free Software Foundation (FSF) is a 501(c)(3) nonprofit organization founded by Richard Stallman on October 4, 1985. The organization supports the free software movement, with its preference for software being distributed under copyleft terms, such as with its own GNU General Public License.
Network profile
Source: PeeringDB →Present at 1 internet exchange: MASS-IX: ISP Peering LAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 209.51.188.0/24 | 256 |
69.9%
|
Free Software Foundation, Inc. | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS22989 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 |
|---|---|---|
| 209.51.188.0/24 | 6,077 | 2026-08-01 00:41:42 |
Frequently Asked Questions
What is AS22989?
AS22989 is an Autonomous System Number assigned to Free Software Foundation, Inc.. 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 AS22989 announce?
AS22989 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS22989?
AS22989 is operated by Free Software Foundation, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS22989 registered in?
AS22989 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
