AS39909
Institute of Soil Science and Plant Cultivation - State Research Institute
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
- Academic allocation +6
- Trust score 71 / 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 |
|---|---|---|---|---|---|---|
| 217.113.156.0/22 | 1.0K |
17.7%
|
Institute of Soil Science and Plant Cultivation - State Research Institute | PL | Lublin | Puławy |
| 217.113.153.0/24 | 256 |
0.8%
|
Institute of Soil Science and Plant Cultivation - State Research Institute | PL | — | — |
| 217.113.154.0/24 | 256 |
0.8%
|
Institute of Soil Science and Plant Cultivation - State Research Institute | PL | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS39909 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 |
|---|---|---|
| 217.113.156.0/22 | 10,376 | 2026-07-31 05:15:52 |
| 217.113.153.0/24 | 10,058 | 2026-07-31 05:15:52 |
| 217.113.154.0/24 | 10,021 | 2026-07-31 05:15:52 |
Frequently Asked Questions
What is AS39909?
AS39909 is an Autonomous System Number assigned to Institute of Soil Science and Plant Cultivation - State Research Institute. 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 AS39909 announce?
AS39909 announces 1.5K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Poland.
Who operates AS39909?
AS39909 is operated by Institute of Soil Science and Plant Cultivation - State Research Institute. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS39909 registered in?
AS39909 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
