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 |
|---|---|---|---|---|---|---|
| 91.237.156.0/22 | 1.0K |
0.0%
|
ANFA FAJER Sp.J. | PL | Silesia | Skoczów |
| 91.237.154.0/23 | 512 |
99.2%
|
ANFA FAJER Sp.J. | PL | Silesia | Skoczów |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57998 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 |
|---|---|---|
| 91.237.156.0/22 | 25,366 | 2026-07-31 03:26:03 |
| 91.237.154.0/23 | 25,319 | 2026-07-31 03:26:03 |
| 91.237.158.219/32 | 2 | 2026-07-20 08:03:40 |
Frequently Asked Questions
What is AS57998?
AS57998 is an Autonomous System Number assigned to ANFA FAJER Sp.J.. 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 AS57998 announce?
AS57998 announces 1.5K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Poland.
Who operates AS57998?
AS57998 is operated by ANFA FAJER Sp.J.. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS57998 registered in?
AS57998 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
