AS203771
Servervia Bilisim Yazilim Ve Telekomunikasyon Hizmetleri Limited Sirketi
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
- Multiple-origin (MOAS) routing anomaly −12
- Isp allocation +5
- Trust score 58 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
⚠ 1 MOAS prefix — multiple origin ASNs detected
All MOAS anomalies →A previously stable prefix originated by AS203771 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.
| Prefix | Origin ASNs | Last detected (UTC) |
|---|---|---|
| 213.128.80.0/24 | AS42926, AS203771 | 2026-07-22 23:23:24 |
AS203771 — global IP footprint
Cities where AS203771 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 91.124.37.0/24 | 256 |
0.0%
|
Servervia Bilisim Yazilim Ve Telekomunikasyon Hizmetleri Limited Sirketi | UA | — | — |
| 213.128.69.0/24 | 256 |
0.0%
|
Servervia Bilisim Yazilim Ve Telekomunikasyon Hizmetleri Limited Sirketi | TR | — | — |
| 213.128.78.0/24 | 256 |
0.0%
|
Servervia Bilisim Yazilim Ve Telekomunikasyon Hizmetleri Limited Sirketi | TR | — | — |
| 213.128.80.0/24 | 256 |
0.0%
|
Radore Veri Merkezi Hizmetleri A.S. | TR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS203771 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 |
|---|---|---|
| 31.40.196.0/24 | 13,340 | 2026-07-14 20:18:23 |
| 45.145.152.0/24 | 12,967 | 2026-06-23 06:16:52 |
| 213.128.80.0/24 | 1,796 | 2026-07-23 21:03:43 |
| 213.128.69.0/24 | 1,703 | 2026-07-23 21:03:43 |
| 213.128.78.0/24 | 1,698 | 2026-07-23 21:03:43 |
| 213.128.81.0/24 | 1,260 | 2026-07-23 21:03:43 |
Frequently Asked Questions
What is AS203771?
AS203771 is an Autonomous System Number assigned to Servervia Bilisim Yazilim Ve Telekomunikasyon Hizmetleri Limited Sirketi. 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 AS203771 announce?
AS203771 announces 1.0K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Türkiye.
Who operates AS203771?
AS203771 is operated by Servervia Bilisim Yazilim Ve Telekomunikasyon Hizmetleri Limited Sirketi. The organization is based in Türkiye. You can view all IP ranges and related ASNs on the organization page.
What country is AS203771 registered in?
AS203771 is registered in Türkiye. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
