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 |
|---|---|---|---|---|---|---|
| 81.162.52.0/23 | 512 |
2.1%
|
JSC UCB | RU | — | — |
| 185.145.54.0/23 | 512 |
2.5%
|
JSC UCB | RU | Moscow | Moscow |
| 185.125.229.0/24 | 256 |
3.1%
|
JSC UCB | VG | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS201138 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 |
|---|---|---|
| 81.162.52.0/23 | 28,885 | 2026-08-04 03:09:38 |
| 185.125.229.0/24 | 27,839 | 2026-08-04 03:09:38 |
| 185.145.55.0/24 | 27,794 | 2026-08-04 03:09:38 |
| 185.145.54.0/24 | 27,784 | 2026-08-04 03:09:38 |
| 81.162.53.0/24 | 27,341 | 2026-08-04 03:09:38 |
Frequently Asked Questions
What is AS201138?
AS201138 is an Autonomous System Number assigned to JSC UCB. 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 AS201138 announce?
AS201138 announces 1.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Russia.
Who operates AS201138?
AS201138 is operated by JSC UCB. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS201138 registered in?
AS201138 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
