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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 178.18.64.0/20 | 4.1K |
58.8%
|
PRESNET s.r.o. | SK | Prešov Region | Stropkov |
| 158.255.248.0/21 | 2.0K |
13.5%
|
PRESNET s.r.o. | SK | Košice Region | Moldava nad Bodvou |
| 185.139.224.0/22 | 1.0K |
0.0%
|
PRESNET s.r.o. | SK | — | — |
| 194.156.68.0/24 | 256 |
0.4%
|
PRESNET s.r.o. | SK | Prešov Region | Veľký Šariš |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51653 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 |
|---|---|---|
| 158.255.252.0/24 | 376,015 | 2026-07-18 11:29:29 |
| 158.255.253.0/24 | 371,933 | 2026-07-18 11:29:29 |
| 158.255.248.0/21 | 332,442 | 2026-07-18 11:29:29 |
| 178.18.64.0/20 | 140,597 | 2026-07-18 11:29:28 |
| 158.255.249.0/24 | 62,438 | 2026-07-18 11:24:47 |
| 158.255.250.0/24 | 60,664 | 2026-07-18 11:24:47 |
| 158.255.251.0/24 | 59,458 | 2026-07-18 11:24:47 |
| 194.156.68.0/24 | 22,925 | 2026-07-18 11:24:47 |
| 178.18.77.0/24 | 18,237 | 2026-07-18 11:24:46 |
| 178.18.75.0/24 | 13,715 | 2026-07-18 11:24:46 |
| 185.139.224.0/22 | 12,457 | 2026-07-18 11:24:46 |
| 178.18.66.0/24 | 12,118 | 2026-07-18 11:24:46 |
| 178.18.68.0/24 | 1,054 | 2026-07-18 09:39:55 |
| 178.18.69.0/24 | 1,052 | 2026-07-18 09:39:55 |
| 178.18.67.0/24 | 1,040 | 2026-07-18 09:39:55 |
| 178.18.64.0/24 | 1,028 | 2026-07-18 09:39:55 |
| 178.18.73.0/24 | 1,027 | 2026-07-18 09:39:55 |
| 178.18.71.0/24 | 1,020 | 2026-07-18 09:39:55 |
| 178.18.70.0/24 | 984 | 2026-07-18 09:39:55 |
Frequently Asked Questions
What is AS51653?
AS51653 is an Autonomous System Number assigned to PRESNET 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 AS51653 announce?
AS51653 announces 7.4K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Slovakia.
Who operates AS51653?
AS51653 is operated by PRESNET s.r.o.. The organization is based in Slovakia. You can view all IP ranges and related ASNs on the organization page.
What country is AS51653 registered in?
AS51653 is registered in Slovakia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
