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 Merit Group
Czech company.
Network profile
Source: PeeringDB →Present at 1 internet exchange: NIX.CZ: Public peering VLAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 46.227.168.0/22 | 1.0K |
5.1%
|
MERIT GROUP a.s | CZ | — | — |
| 91.215.12.0/22 | 1.0K |
0.0%
|
MERIT GROUP a.s | CZ | — | — |
| 195.189.0.0/22 | 1.0K |
13.6%
|
MERIT GROUP a.s | CZ | — | — |
| 46.227.173.0/24 | 256 |
3.1%
|
MERIT GROUP a.s | CZ | — | — |
| 46.227.175.0/24 | 256 |
0.0%
|
MERIT GROUP a.s | CZ | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS39904 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 |
|---|---|---|
| 46.227.168.0/21 | 7,493 | 2026-08-02 00:49:11 |
| 91.215.12.0/22 | 7,460 | 2026-08-02 00:49:11 |
| 195.189.0.0/22 | 6,924 | 2026-08-02 00:49:11 |
Frequently Asked Questions
What is AS39904?
AS39904 is an Autonomous System Number assigned to MERIT GROUP a.s. 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 AS39904 announce?
AS39904 announces 3.6K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS39904?
AS39904 is operated by MERIT GROUP a.s. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS39904 registered in?
AS39904 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
