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 |
|---|---|---|---|---|---|---|
| 91.233.248.0/24 | 256 |
2.0%
|
ISDD plus s.r.o. | SK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS56937 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 |
|---|---|---|
| 91.233.248.0/24 | 6,760 | 2026-07-31 08:25:15 |
Frequently Asked Questions
What is AS56937?
AS56937 is an Autonomous System Number assigned to ISDD plus s.r.o.. 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 AS56937 announce?
AS56937 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Slovakia.
Who operates AS56937?
AS56937 is operated by ISDD plus s.r.o.. The organization is based in Slovakia. You can view all IP ranges and related ASNs on the organization page.
What country is AS56937 registered in?
AS56937 is registered in Slovakia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
