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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: Peering.cz, SIX.SK, NIX.SK, NIX.CZ: Public peering VLAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 31.3.32.0/19 | 8.2K |
85.2%
|
O2 Business Services, a.s | SK | — | — |
| 37.152.96.0/19 | 8.2K |
97.4%
|
O2 Business Services, a.s | SK | — | — |
| 46.34.224.0/19 | 8.2K |
99.7%
|
O2 Business Services, a.s | SK | Trnava Region | Piešťany |
| 90.176.0.0/19 | 8.2K |
15.0%
|
O2 Business Services, a.s | SK | Bratislava Region | Bratislava |
| 37.58.0.0/20 | 4.1K |
0.6%
|
O2 Business Services, a.s | SK | Bratislava Region | Bratislava |
| 151.236.224.0/20 | 4.1K |
0.0%
|
O2 Business Services, a.s | SK | — | — |
| 91.191.80.0/22 | 1.0K |
100.0%
|
O2 Business Services, a.s | SK | — | — |
| 185.103.144.0/22 | 1.0K |
28.2%
|
O2 Business Services, a.s | SK | — | — |
| 91.191.69.0/24 | 256 |
100.0%
|
O2 Business Services, a.s | SK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28952 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 |
|---|---|---|
| 91.191.80.0/22 | 276,596 | 2026-07-22 01:14:44 |
| 46.34.224.0/19 | 123,882 | 2026-07-22 01:08:15 |
| 37.58.0.0/20 | 115,216 | 2026-07-22 01:08:15 |
| 91.191.69.0/24 | 109,209 | 2026-07-22 01:08:15 |
| 90.176.0.0/19 | 108,708 | 2026-07-22 01:08:15 |
| 37.152.96.0/19 | 108,351 | 2026-07-22 01:08:15 |
| 151.236.224.0/20 | 107,521 | 2026-07-22 01:08:15 |
| 31.3.32.0/19 | 104,491 | 2026-07-22 01:08:15 |
| 185.103.144.0/22 | 91,689 | 2026-07-22 01:08:15 |
Frequently Asked Questions
What is AS28952?
AS28952 is an Autonomous System Number assigned to O2 Business Services, 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 AS28952 announce?
AS28952 announces 43.3K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Slovakia.
Who operates AS28952?
AS28952 is operated by O2 Business Services, a.s. The organization is based in Slovakia. You can view all IP ranges and related ASNs on the organization page.
What country is AS28952 registered in?
AS28952 is registered in Slovakia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
