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 |
|---|---|---|---|---|---|---|
| 185.87.160.0/22 | 1.0K |
0.0%
|
Flash Networks Ltd. | IL | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57721 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 |
|---|---|---|
| 185.87.160.0/22 | 10,868 | 2026-08-05 01:34:20 |
Frequently Asked Questions
What is AS57721?
AS57721 is an Autonomous System Number assigned to Flash Networks 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 AS57721 announce?
AS57721 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Israel.
Who operates AS57721?
AS57721 is operated by Flash Networks Ltd.. The organization is based in Israel. You can view all IP ranges and related ASNs on the organization page.
What country is AS57721 registered in?
AS57721 is registered in Israel. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
