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 →
Network profile
Source: PeeringDB →Present at 5 internet exchanges: STHIX - Stockholm: STH Peering, Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500, Netnod Stockholm GREEN -- MTU4470: STH-A -- MTU4470, Netnod Stockholm BLUE -- MTU1500: STH-B -- MTU1500, Netnod Stockholm BLUE -- MTU4470: STH-B -- MTU4470
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 95.128.112.0/21 | 2.0K |
93.4%
|
Forss IT AB | SE | Södermanland County | Katrineholm |
| 83.171.228.0/22 | 1.0K |
99.4%
|
Forss IT AB | SE | Södermanland County | Katrineholm |
| 185.8.80.0/22 | 1.0K |
98.8%
|
Forss IT AB | SE | Södermanland County | Katrineholm |
| 185.184.92.0/22 | 1.0K |
94.1%
|
Forss IT AB | SE | Södermanland County | Flen |
| 185.215.8.0/22 | 1.0K |
99.4%
|
Forss IT AB | SE | Södermanland County | Vingåker |
| 195.88.130.0/23 | 512 |
99.6%
|
Forss IT AB | SE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS43809 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 |
|---|---|---|
| 185.215.8.0/22 | 9,094 | 2026-07-29 09:09:51 |
| 185.184.92.0/22 | 9,064 | 2026-07-29 09:09:43 |
| 83.171.228.0/22 | 8,828 | 2026-07-29 09:34:58 |
| 185.8.80.0/22 | 8,669 | 2026-07-29 09:09:51 |
| 95.128.112.0/21 | 7,558 | 2026-07-29 09:34:58 |
| 195.88.130.0/23 | 7,484 | 2026-07-29 09:09:51 |
Frequently Asked Questions
What is AS43809?
AS43809 is an Autonomous System Number assigned to Forss IT AB. 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 AS43809 announce?
AS43809 announces 6.7K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Sweden.
Who operates AS43809?
AS43809 is operated by Forss IT AB. The organization is based in Sweden. You can view all IP ranges and related ASNs on the organization page.
What country is AS43809 registered in?
AS43809 is registered in Sweden. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
