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 →
About CZ.NIC
CZ.NIC is a Czech interest association of legal persons established by leading Internet service providers in 1998. The main activity of the association is administration of domain names .cz and 0.2.4.e164.arpa (ENUM), administration of .cz top-level domains and education in the area of domain names.
Operates 2 networks present at 18 internet exchanges with a open peering policy.
Countries served by CZ.NIC, z.s.p.o.
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by CZ.NIC, z.s.p.o.
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 217.31.192.0/20 | 4.1K |
13.2%
|
AS25192 | CZ | — | — |
| 185.43.132.0/23 | 512 |
0.0%
|
AS25192 | CZ | — | — |
| 194.0.12.0/23 | 512 |
0.4%
|
AS25192 | CZ | — | — |
| 185.43.134.0/24 | 256 |
4.7%
|
AS25192 | CZ | — | — |
| 185.43.135.0/24 | 256 |
0.8%
|
AS20701 | CZ | — | — |
| 193.17.47.0/24 | 256 |
0.4%
|
AS20701 | CZ | — | — |
| 193.29.206.0/24 | 256 |
0.8%
|
AS25192 | CZ | — | — |
| 194.0.14.0/24 | 256 |
0.4%
|
AS200070 | CZ | — | — |
| 212.237.229.0/24 | 256 |
1.6%
|
AS200070 | CZ | — | — |
Frequently Asked Questions
How many IP addresses does CZ.NIC, z.s.p.o. own?
CZ.NIC, z.s.p.o. controls 6.7K IPv4 addresses distributed across 9 CIDR ranges. The organization is registered in Czechia.
What ASNs does CZ.NIC, z.s.p.o. operate?
CZ.NIC, z.s.p.o. operates 3 Autonomous Systems. Each ASN represents an independently routed network that CZ.NIC, z.s.p.o. manages for internet traffic delivery.
What type of organization is CZ.NIC, z.s.p.o.?
CZ.NIC, z.s.p.o. is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.
