IPv4 addresses
18,432
CIDR ranges
4
Category
unknown
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.
65/100
Moderate
How this score is built
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 188.75.128.0/18 | 16.4K |
87.7%
|
AS196735 | CZ | Central Bohemia | Kolín |
| 213.108.164.0/22 | 1.0K |
99.5%
|
AS200114 | CZ | — | — |
| 193.164.218.0/23 | 512 |
99.6%
|
AS200114 | CZ | Central Bohemia | Týnec nad Labem |
| 213.108.160.0/23 | 512 |
98.8%
|
AS200114 | CZ | — | — |
Frequently Asked Questions
How many IP addresses does JON.CZ s.r.o. own?
JON.CZ s.r.o. controls 18.4K IPv4 addresses distributed across 4 CIDR ranges. The organization is registered in Czechia.
What type of organization is JON.CZ s.r.o.?
JON.CZ s.r.o. is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.
Last updated: 2026-07-25 03:10:32 UTC
