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
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 91.103.254.0/24 | 256 |
0.0%
|
Nemcev Vitaliy Nikolaevich PE | VG | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS201231 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 |
|---|---|---|
| 91.103.254.0/24 | 192,923 | 2026-07-28 14:51:06 |
Frequently Asked Questions
What is AS201231?
AS201231 is an Autonomous System Number assigned to Nemcev Vitaliy Nikolaevich PE. 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 AS201231 announce?
AS201231 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Russia.
Who operates AS201231?
AS201231 is operated by Nemcev Vitaliy Nikolaevich PE. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS201231 registered in?
AS201231 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.