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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About CETIN
CETIN a.s., is a Czech telecommunications company that is part of PPF Group, an international investment group formerly majority-owned by Czech billionaire Petr Kellner. The company was created as a result of the separation of O2 Czech Republic a.s.
Network profile
Source: PeeringDB →Present at 7 internet exchanges: NIX.CZ: Public peering VLAN, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, SIX.SK, LINX LON1: Main, AMS-IX, DE-CIX Dusseldorf: DE-CIX Dusseldorf Peering LAN, Peering.cz
AS28725 — global IP footprint
Cities where AS28725 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28725 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 |
|---|---|---|
| 185.218.92.0/23 | 17,235 | 2026-07-24 15:47:14 |
| 136.238.226.0/24 | 8,735 | 2026-07-24 16:13:39 |
| 80.78.150.0/24 | 6,577 | 2026-07-24 15:47:14 |
| 85.163.0.0/16 | 6,551 | 2026-07-24 15:47:14 |
| 85.162.0.0/15 | 6,527 | 2026-07-24 15:47:14 |
| 85.162.0.0/16 | 6,510 | 2026-07-24 15:47:14 |
| 194.147.12.0/22 | 6,439 | 2026-07-24 15:47:14 |
| 194.50.64.0/22 | 6,249 | 2026-07-24 15:47:14 |
| 212.96.180.0/24 | 4,649 | 2026-07-24 15:47:14 |
| 85.163.152.0/24 | 4 | 2026-06-18 10:03:52 |
Frequently Asked Questions
What is AS28725?
AS28725 is an Autonomous System Number assigned to CETIN 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 AS28725 announce?
AS28725 announces 134.4K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS28725?
AS28725 is operated by CETIN a.s.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS28725 registered in?
AS28725 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.