AS203087
Fedinyak Sergey Vyacheslavovich
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 →
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS203087 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 |
|---|---|---|
| 185.120.78.0/24 | 37,861 | 2026-07-24 01:01:45 |
| 109.248.198.0/24 | 17,229 | 2026-07-24 01:03:43 |
| 109.248.170.0/24 | 14,922 | 2026-07-24 01:03:38 |
| 185.120.77.0/24 | 11,508 | 2026-07-24 00:42:31 |
| 185.120.79.0/24 | 10,011 | 2026-07-24 01:03:38 |
| 185.120.76.0/24 | 10,005 | 2026-07-24 01:03:38 |
| 46.8.31.0/24 | 9,739 | 2026-07-24 01:03:38 |
| 46.8.43.0/24 | 9,731 | 2026-07-24 01:03:38 |
| 188.130.160.0/24 | 9,555 | 2026-07-24 01:03:38 |
| 109.248.231.0/24 | 9,356 | 2026-07-24 01:03:38 |
| 188.130.234.0/24 | 8,989 | 2026-07-24 01:03:38 |
| 109.248.213.0/24 | 8,878 | 2026-07-24 01:03:38 |
| 109.248.32.0/24 | 8,849 | 2026-07-24 01:03:38 |
| 109.248.199.0/24 | 8,838 | 2026-07-24 01:03:38 |
| 188.130.251.0/24 | 6,254 | 2026-07-24 01:01:44 |
| 46.8.79.0/24 | 5,007 | 2026-07-24 01:02:47 |
Frequently Asked Questions
What is AS203087?
AS203087 is an Autonomous System Number assigned to Fedinyak Sergey Vyacheslavovich. 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 AS203087 announce?
AS203087 announces 4.1K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Kazakhstan.
Who operates AS203087?
AS203087 is operated by Fedinyak Sergey Vyacheslavovich. The organization is based in Kazakhstan. You can view all IP ranges and related ASNs on the organization page.
What country is AS203087 registered in?
AS203087 is registered in Kazakhstan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
