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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 7 internet exchanges: VIX, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, Peering.cz, NIX.CZ: Public peering VLAN, KleyReX: Peering LAN, AMS-IX, BGP.Exchange - Frankfurt
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 217.116.176.0/20 | 4.1K |
47.7%
|
Fonira Telekom GmbH | AT | State of Vienna | Vienna |
| 178.251.64.0/21 | 2.0K |
64.7%
|
Fonira Telekom GmbH | AT | Lower Austria | Mautern |
| 5.180.152.0/22 | 1.0K |
0.0%
|
Fonira Telekom GmbH | AT | — | — |
| 116.204.196.0/22 | 1.0K |
100.0%
|
Fonira Telekom GmbH | AT | Upper Austria | Gschwandt |
| 185.17.12.0/22 | 1.0K |
100.0%
|
Fonira Telekom GmbH | AT | State of Vienna | Vienna |
| 185.68.248.0/22 | 1.0K |
27.1%
|
Fonira Telekom GmbH | AT | State of Vienna | Vienna |
| 185.128.244.0/22 | 1.0K |
99.7%
|
Fonira Telekom GmbH | AT | State of Vienna | Vienna |
| 185.129.172.0/22 | 1.0K |
0.5%
|
Fonira Telekom GmbH | AT | Upper Austria | Bad Hall |
| 193.238.236.0/22 | 1.0K |
2.8%
|
Fonira Telekom GmbH | AT | State of Vienna | Vienna |
| 5.180.154.0/23 | 512 |
0.0%
|
Fonira Telekom GmbH | US | — | — |
| 91.206.8.0/23 | 512 |
0.0%
|
Fonira Telekom GmbH | AT | — | — |
| 5.180.152.0/24 | 256 |
0.0%
|
Fonira Telekom GmbH | RO | Bucharest | Bucharest |
| 5.180.153.0/24 | 256 |
0.0%
|
Fonira Telekom GmbH | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51184 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 |
|---|---|---|
| 178.251.64.0/21 | 22,683 | 2026-07-31 07:20:05 |
| 185.128.244.0/22 | 22,294 | 2026-07-31 07:20:05 |
| 217.116.176.0/20 | 22,184 | 2026-07-31 07:20:05 |
| 116.204.196.0/22 | 22,103 | 2026-07-31 07:20:05 |
| 185.17.12.0/22 | 21,274 | 2026-07-31 07:20:16 |
| 91.206.8.0/23 | 21,163 | 2026-07-31 07:20:16 |
| 185.129.172.0/22 | 20,570 | 2026-07-31 07:20:16 |
| 185.68.248.0/22 | 20,563 | 2026-07-31 07:20:16 |
| 193.238.236.0/22 | 20,373 | 2026-07-31 07:20:16 |
| 5.180.152.0/22 | 12,953 | 2026-07-31 07:20:10 |
| 185.129.173.0/24 | 8 | 2026-07-22 04:31:06 |
| 185.17.12.0/24 | 2 | 2026-07-22 01:47:20 |
| 185.17.14.0/24 | 2 | 2026-07-22 01:47:20 |
| 91.206.8.0/24 | 2 | 2026-07-22 01:46:40 |
| 178.251.65.0/24 | 2 | 2026-07-22 01:47:17 |
| 178.251.66.0/24 | 2 | 2026-07-22 01:47:17 |
Frequently Asked Questions
What is AS51184?
AS51184 is an Autonomous System Number assigned to Fonira Telekom GmbH. 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 AS51184 announce?
AS51184 announces 13.8K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Austria.
Who operates AS51184?
AS51184 is operated by Fonira Telekom GmbH. The organization is based in Austria. You can view all IP ranges and related ASNs on the organization page.
What country is AS51184 registered in?
AS51184 is registered in Austria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
