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 |
|---|---|---|---|---|---|---|
| 37.143.64.0/21 | 2.0K |
0.0%
|
SONICTEST Ltd. | EE | Tartu | Tartu |
| 185.14.216.0/22 | 1.0K |
97.9%
|
SONICTEST Ltd. | EE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57873 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 |
|---|---|---|
| 185.14.216.0/22 | 14,085 | 2026-07-28 13:47:51 |
| 37.143.64.0/21 | 14,075 | 2026-07-28 13:59:36 |
| 37.143.64.168/32 | 24 | 2026-07-23 09:37:02 |
Frequently Asked Questions
What is AS57873?
AS57873 is an Autonomous System Number assigned to SONICTEST Ltd.. 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 AS57873 announce?
AS57873 announces 3.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Estonia.
Who operates AS57873?
AS57873 is operated by SONICTEST Ltd.. The organization is based in Estonia. You can view all IP ranges and related ASNs on the organization page.
What country is AS57873 registered in?
AS57873 is registered in Estonia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
