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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: Peering.cz
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 77.236.192.0/19 | 8.2K |
93.6%
|
CEZNET s.r.o. | CZ | Pardubice Region | Pardubice |
| 46.253.96.0/20 | 4.1K |
28.5%
|
CEZNET s.r.o. | CZ | Vysocina | Havlíčkův Brod |
| 93.89.144.0/20 | 4.1K |
3.1%
|
CEZNET s.r.o. | CZ | Hradec Králové Region | Jičín |
| 37.44.208.0/22 | 1.0K |
99.2%
|
CEZNET s.r.o. | CZ | Hradec Králové Region | Lázně Bělohrad |
| 176.123.12.0/22 | 1.0K |
98.8%
|
CEZNET s.r.o. | CZ | Vysocina | Havlíčkův Brod |
| 185.134.160.0/22 | 1.0K |
4.0%
|
CEZNET s.r.o. | CZ | Hradec Králové Region | Vysoké Veselí |
| 185.137.144.0/22 | 1.0K |
99.4%
|
CEZNET s.r.o. | CZ | Vysocina | Havlíčkův Brod |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS42306 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 |
|---|---|---|
| 185.134.160.0/22 | 11,583 | 2026-11-15 20:26:25 |
| 37.44.208.0/22 | 11,473 | 2026-11-15 20:26:25 |
| 46.253.104.0/21 | 11,327 | 2026-11-15 20:26:25 |
| 46.253.96.0/21 | 11,311 | 2026-11-15 20:26:25 |
| 77.236.192.0/19 | 11,273 | 2026-11-15 20:26:25 |
| 176.123.12.0/22 | 11,197 | 2026-11-15 20:26:25 |
| 185.137.144.0/22 | 11,167 | 2026-11-15 20:26:25 |
| 93.89.144.0/20 | 11,064 | 2026-11-15 20:26:25 |
Frequently Asked Questions
What is AS42306?
AS42306 is an Autonomous System Number assigned to CEZNET 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 AS42306 announce?
AS42306 announces 20.5K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS42306?
AS42306 is operated by CEZNET s.r.o.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS42306 registered in?
AS42306 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
