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 1 internet exchange: BIX
AS51920 — global IP footprint
Cities where AS51920 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 45.9.200.0/22 | 1.0K |
0.0%
|
VIVACOM Magyarorszag Kft | HU | — | — |
| 45.66.200.0/22 | 1.0K |
0.0%
|
VIVACOM Magyarorszag Kft | HU | — | — |
| 45.136.120.0/22 | 1.0K |
0.0%
|
VIVACOM Magyarorszag Kft | HU | — | — |
| 185.92.116.0/22 | 1.0K |
100.0%
|
VIVACOM Magyarorszag Kft | HU | — | — |
| 185.220.188.0/22 | 1.0K |
0.0%
|
VIVACOM Magyarorszag Kft | HU | — | — |
| 185.188.56.0/23 | 512 |
98.4%
|
VIVACOM Magyarorszag Kft | HU | Budapest | Budapest |
| 185.188.58.0/24 | 256 |
99.2%
|
VIVACOM Magyarorszag Kft | HU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51920 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 |
|---|---|---|
| 185.188.58.0/24 | 67,239 | 2026-08-01 06:02:47 |
| 185.188.56.0/24 | 62,906 | 2026-08-01 06:02:47 |
| 185.188.57.0/24 | 62,486 | 2026-08-01 06:02:47 |
| 185.220.188.0/22 | 61,329 | 2026-08-01 06:02:47 |
| 185.92.116.0/22 | 60,566 | 2026-08-01 06:02:47 |
| 45.66.200.0/22 | 4,621 | 2026-08-01 05:35:24 |
| 45.9.200.0/22 | 4,607 | 2026-08-01 05:34:48 |
| 45.136.120.0/22 | 4,576 | 2026-08-01 05:35:50 |
Frequently Asked Questions
What is AS51920?
AS51920 is an Autonomous System Number assigned to VIVACOM Magyarorszag Kft. 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 AS51920 announce?
AS51920 announces 5.9K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Hungary.
Who operates AS51920?
AS51920 is operated by VIVACOM Magyarorszag Kft. The organization is based in Hungary. You can view all IP ranges and related ASNs on the organization page.
What country is AS51920 registered in?
AS51920 is registered in Hungary. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
