AS204019
Trojniak Krzysztof FLYNET
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 2 internet exchanges: EPIX.Katowice, EPIX.Warszawa
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.107.66.0/24 | 256 |
99.2%
|
Trojniak Krzysztof FLYNET | PL | — | — |
| 194.1.253.0/24 | 256 |
99.2%
|
Trojniak Krzysztof FLYNET | PL | Opole Voivodeship | Prudnik |
| 213.199.208.0/24 | 256 |
91.4%
|
Trojniak Krzysztof FLYNET | PL | Opole Voivodeship | Głuchołazy |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS204019 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 |
|---|---|---|
| 194.1.253.0/24 | 16,628 | 2026-07-30 20:27:36 |
| 185.107.66.0/24 | 16,619 | 2026-07-30 20:27:36 |
| 213.199.208.0/24 | 15,941 | 2026-07-30 20:27:36 |
| 185.107.66.227/32 | 12 | 2026-06-15 18:50:08 |
| 213.199.208.49/32 | 7 | 2026-07-21 22:37:24 |
| 213.199.208.0/32 | 4 | 2026-07-18 19:59:27 |
| 213.199.208.51/32 | 4 | 2026-07-18 19:55:37 |
| 185.107.66.160/32 | 4 | 2026-07-25 17:30:05 |
| 213.199.208.1/32 | 2 | 2026-07-18 19:59:27 |
Frequently Asked Questions
What is AS204019?
AS204019 is an Autonomous System Number assigned to Trojniak Krzysztof FLYNET. 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 AS204019 announce?
AS204019 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Poland.
Who operates AS204019?
AS204019 is operated by Trojniak Krzysztof FLYNET. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS204019 registered in?
AS204019 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
