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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 31.133.200.0/21 | 2.0K |
0.0%
|
OOO RTK | RU | Vladimir Oblast | Vladimir |
| 91.228.96.0/22 | 1.0K |
0.0%
|
OOO RTK | RU | Vladimir Oblast | Vladimir |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57181 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 |
|---|---|---|
| 31.133.200.0/21 | 8,967 | 2026-07-18 11:24:19 |
| 31.133.203.0/24 | 8,304 | 2026-07-18 11:24:19 |
| 31.133.204.0/24 | 8,244 | 2026-07-18 11:24:19 |
| 31.133.200.0/24 | 8,241 | 2026-07-18 11:24:19 |
| 31.133.205.0/24 | 8,139 | 2026-07-18 11:24:19 |
| 31.133.206.0/24 | 8,102 | 2026-07-18 11:24:19 |
| 31.133.207.0/24 | 8,058 | 2026-07-18 11:24:19 |
| 31.133.201.0/24 | 7,997 | 2026-07-18 11:24:19 |
| 31.133.202.0/24 | 7,995 | 2026-07-18 11:24:19 |
| 91.228.96.0/22 | 7,070 | 2026-07-18 11:24:19 |
| 91.228.97.0/24 | 6,384 | 2026-07-18 11:24:19 |
| 91.228.98.0/24 | 6,381 | 2026-07-18 11:24:19 |
| 91.228.99.0/24 | 6,378 | 2026-07-18 11:24:19 |
| 91.228.96.0/24 | 6,377 | 2026-07-18 11:24:19 |
Frequently Asked Questions
What is AS57181?
AS57181 is an Autonomous System Number assigned to OOO RTK. 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 AS57181 announce?
AS57181 announces 3.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Russia.
Who operates AS57181?
AS57181 is operated by OOO RTK. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS57181 registered in?
AS57181 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
