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 9 internet exchanges: VIX, AAIX, KleyReX: Peering LAN, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, GraX, DE-CIX Dusseldorf: DE-CIX Dusseldorf Peering LAN, DE-CIX Hamburg: DE-CIX Hamburg Peering LAN, DE-CIX Munich: DE-CIX Munich Peering LAN, DE-CIX Istanbul: DE-CIX Istanbul Peering LAN
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS39912 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 |
|---|---|---|
| 37.186.4.0/24 | 11,235 | 2026-07-24 15:47:11 |
| 95.143.80.0/20 | 5,574 | 2026-07-24 15:47:16 |
| 78.142.68.0/22 | 5,555 | 2026-07-24 15:47:16 |
| 195.16.246.0/23 | 5,555 | 2026-07-24 15:47:16 |
| 78.142.96.0/20 | 5,550 | 2026-07-24 15:47:16 |
| 77.220.112.0/22 | 5,544 | 2026-07-24 15:47:16 |
| 92.63.216.0/21 | 5,540 | 2026-07-24 15:47:16 |
| 81.94.56.0/21 | 5,529 | 2026-07-24 15:47:16 |
| 37.186.0.0/22 | 5,529 | 2026-07-24 15:47:16 |
| 78.142.124.0/22 | 5,521 | 2026-07-24 15:47:16 |
| 77.220.120.0/21 | 5,518 | 2026-07-24 15:47:16 |
| 92.63.214.0/23 | 5,516 | 2026-07-24 15:47:16 |
| 78.142.64.0/23 | 5,513 | 2026-07-24 15:47:16 |
| 92.63.208.0/22 | 5,512 | 2026-07-24 15:47:16 |
| 195.16.241.0/24 | 5,511 | 2026-07-24 15:47:16 |
| 77.220.96.0/20 | 5,508 | 2026-07-24 15:47:16 |
| 78.142.116.0/23 | 5,502 | 2026-07-24 15:47:16 |
| 93.185.128.0/20 | 5,501 | 2026-07-24 15:47:16 |
| 78.142.72.0/21 | 5,499 | 2026-07-24 15:47:16 |
| 78.142.122.0/23 | 5,496 | 2026-07-24 15:47:16 |
| 92.42.16.0/22 | 5,491 | 2026-07-24 15:47:16 |
| 195.16.242.0/23 | 5,487 | 2026-07-24 15:47:16 |
| 37.186.8.0/21 | 5,476 | 2026-07-24 15:47:16 |
| 81.94.54.0/24 | 5,470 | 2026-07-24 15:47:16 |
| 195.16.238.0/24 | 5,469 | 2026-07-24 15:47:16 |
| 195.16.254.0/23 | 5,468 | 2026-07-24 15:47:16 |
| 78.142.112.0/22 | 5,468 | 2026-07-24 15:47:16 |
| 92.63.212.0/24 | 5,465 | 2026-07-24 15:47:16 |
| 194.34.226.0/24 | 5,462 | 2026-07-24 15:47:16 |
| 37.186.16.0/21 | 5,462 | 2026-07-24 15:47:16 |
| 195.16.236.0/23 | 5,459 | 2026-07-24 15:47:16 |
| 81.94.52.0/23 | 5,455 | 2026-07-24 15:47:16 |
| 195.16.224.0/21 | 5,452 | 2026-07-24 15:47:16 |
| 213.139.252.0/22 | 5,452 | 2026-07-24 15:47:16 |
| 91.206.224.0/23 | 5,451 | 2026-07-24 15:47:16 |
| 81.94.48.0/22 | 5,449 | 2026-07-24 15:47:16 |
| 195.16.232.0/22 | 5,442 | 2026-07-24 15:47:16 |
| 195.16.251.0/24 | 5,437 | 2026-07-24 15:47:40 |
| 195.16.245.0/24 | 5,433 | 2026-07-24 15:47:40 |
| 37.186.6.0/23 | 5,431 | 2026-07-24 15:47:16 |
| 195.140.136.0/22 | 5,428 | 2026-07-24 15:47:16 |
| 195.16.253.0/24 | 5,426 | 2026-07-24 15:47:16 |
| 193.47.156.0/24 | 5,246 | 2026-07-24 15:47:16 |
Frequently Asked Questions
What is AS39912?
AS39912 is an Autonomous System Number assigned to oja.at 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 AS39912 announce?
AS39912 announces 49.9K IPv4 addresses distributed across 46 routed CIDR prefixes. The network is registered in Austria.
Who operates AS39912?
AS39912 is operated by oja.at GmbH. The organization is based in Austria. You can view all IP ranges and related ASNs on the organization page.
What country is AS39912 registered in?
AS39912 is registered in Austria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
