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 →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: PITER-IX St. Petersburg: SPB_PEERING_VLAN, MSK-IX Moscow: MSK-IX peering network, KleyReX: Peering LAN, PITER-IX Moscow: MSK_PEERING_VLAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 151.0.0.0/19 | 8.2K |
0.0%
|
Viacheslav Fitiunin | RU | — | — |
| 151.0.32.0/22 | 1.0K |
92.5%
|
Viacheslav Fitiunin | RU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57164 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 |
|---|---|---|
| 151.0.14.0/24 | 57,617 | 2026-07-31 05:15:52 |
| 151.0.13.0/24 | 57,603 | 2026-07-31 05:15:52 |
| 151.0.26.0/23 | 39,571 | 2026-07-31 05:15:52 |
| 151.0.24.0/23 | 38,678 | 2026-07-31 05:15:52 |
| 151.0.28.0/23 | 38,643 | 2026-07-31 05:15:52 |
| 151.0.8.0/23 | 38,624 | 2026-07-31 05:15:52 |
| 151.0.0.0/20 | 37,984 | 2026-07-31 05:15:52 |
| 151.0.17.0/24 | 37,876 | 2026-07-31 05:15:59 |
| 151.0.35.0/24 | 34,929 | 2026-07-31 05:15:52 |
| 151.0.21.0/24 | 33,370 | 2026-07-31 05:15:52 |
| 151.0.18.0/24 | 33,042 | 2026-07-31 05:15:52 |
| 151.0.32.0/22 | 29,381 | 2026-07-31 05:15:59 |
| 151.0.20.0/24 | 28,826 | 2026-07-31 05:15:52 |
| 151.0.32.0/24 | 28,688 | 2026-07-31 05:15:59 |
| 151.0.33.0/24 | 28,611 | 2026-07-31 05:15:59 |
| 151.0.30.0/23 | 27,981 | 2026-07-31 05:15:59 |
| 151.0.34.0/24 | 27,933 | 2026-07-31 05:15:52 |
| 151.0.24.0/22 | 27,360 | 2026-07-31 05:15:59 |
| 151.0.28.0/22 | 27,249 | 2026-07-31 05:15:59 |
| 151.0.19.0/24 | 26,455 | 2026-07-31 05:15:52 |
| 151.0.22.0/24 | 25,845 | 2026-07-31 05:15:59 |
| 151.0.16.0/24 | 25,740 | 2026-07-31 05:15:59 |
| 151.0.16.0/20 | 25,413 | 2026-07-31 05:15:59 |
| 151.0.0.0/19 | 25,337 | 2026-07-31 05:15:59 |
| 151.0.23.0/24 | 24,797 | 2026-07-31 05:15:59 |
| 151.0.15.0/24 | 24,710 | 2026-07-31 05:15:59 |
| 151.0.24.0/21 | 23,479 | 2026-07-31 05:15:59 |
Frequently Asked Questions
What is AS57164?
AS57164 is an Autonomous System Number assigned to Viacheslav Fitiunin. 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 AS57164 announce?
AS57164 announces 9.2K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Ukraine.
Who operates AS57164?
AS57164 is operated by Viacheslav Fitiunin. The organization is based in Ukraine. You can view all IP ranges and related ASNs on the organization page.
What country is AS57164 registered in?
AS57164 is registered in Ukraine. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
