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 →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: NIX.CZ: Public peering VLAN, Peering.cz
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 79.142.144.0/20 | 4.1K |
57.1%
|
Core4Net, s.r.o. | CZ | Moravian-Silesian Region | Opava |
| 185.51.28.0/22 | 1.0K |
100.0%
|
Core4Net, s.r.o. | CZ | — | — |
| 185.180.1.0/24 | 256 |
99.6%
|
Core4Net, s.r.o. | CZ | Moravian-Silesian Region | Bruntál |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS197307 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 |
|---|---|---|
| 185.180.1.0/24 | 4,488 | 2026-07-31 03:44:10 |
| 185.51.28.0/22 | 4,358 | 2026-07-31 03:44:10 |
| 79.142.144.0/20 | 4,354 | 2026-07-31 03:44:10 |
Frequently Asked Questions
What is AS197307?
AS197307 is an Autonomous System Number assigned to Core4Net, 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 AS197307 announce?
AS197307 announces 5.4K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS197307?
AS197307 is operated by Core4Net, 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 AS197307 registered in?
AS197307 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
