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
- Isp allocation +5
- Trust score 70 / 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 |
|---|---|---|---|---|---|---|
| 93.171.144.0/21 | 2.0K |
0.0%
|
Mass-Net LLC | CZ | — | — |
| 194.169.84.0/23 | 512 |
0.0%
|
Mass-Net LLC | AE | — | — |
| 185.200.189.0/24 | 256 |
0.4%
|
Mass-Net LLC | VG | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57371 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 |
|---|---|---|
| 93.171.144.0/21 | 22,633 | 2026-07-30 17:09:03 |
| 185.200.189.0/24 | 13,445 | 2026-07-30 17:19:45 |
| 194.169.84.0/23 | 9,912 | 2026-07-30 17:09:05 |
Frequently Asked Questions
What is AS57371?
AS57371 is an Autonomous System Number assigned to Mass-Net LLC. 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 AS57371 announce?
AS57371 announces 2.8K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Russia.
Who operates AS57371?
AS57371 is operated by Mass-Net LLC. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS57371 registered in?
AS57371 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
