AS50399
Open Line Managed Services B.V.
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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 92.42.232.0/21 | 2.0K |
32.0%
|
Open Line Managed Services B.V. | NL | — | — |
| 109.232.40.0/21 | 2.0K |
5.7%
|
Open Line Managed Services B.V. | NL | North Holland | Assendelft |
| 185.3.204.0/22 | 1.0K |
0.0%
|
Open Line Managed Services B.V. | NL | — | — |
| 185.223.140.0/22 | 1.0K |
0.5%
|
Open Line Managed Services B.V. | NL | — | — |
| 185.23.218.0/23 | 512 |
0.0%
|
Open Line Managed Services B.V. | DK | — | — |
| 91.209.213.0/24 | 256 |
0.0%
|
Open Line Managed Services B.V. | NL | — | — |
| 185.150.159.0/24 | 256 |
3.1%
|
Open Line Managed Services B.V. | NL | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS50399 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 |
|---|---|---|
| 185.23.218.0/24 | 75,098 | 2026-11-13 12:48:16 |
| 185.23.218.0/23 | 73,397 | 2026-11-13 12:48:12 |
| 109.232.40.0/21 | 71,956 | 2026-11-13 12:48:12 |
| 185.223.140.0/23 | 71,830 | 2026-11-13 12:48:16 |
| 185.223.142.0/23 | 71,795 | 2026-11-13 12:48:16 |
| 91.209.213.0/24 | 71,713 | 2026-11-13 12:48:12 |
| 92.42.232.0/21 | 71,674 | 2026-11-13 12:48:12 |
| 185.3.204.0/22 | 70,391 | 2026-11-13 12:48:12 |
| 185.223.140.0/22 | 69,273 | 2026-11-13 12:48:12 |
| 109.232.40.0/22 | 59,487 | 2026-11-13 11:56:26 |
| 109.232.44.0/22 | 59,476 | 2026-11-13 11:56:26 |
| 92.42.232.0/22 | 59,449 | 2026-11-13 10:39:22 |
| 92.42.236.0/22 | 59,380 | 2026-11-13 10:39:22 |
| 109.232.42.0/23 | 55,738 | 2026-11-13 12:48:16 |
| 109.232.40.0/23 | 55,464 | 2026-11-13 12:48:16 |
| 92.42.236.0/23 | 55,355 | 2026-11-13 12:48:16 |
| 109.232.46.0/23 | 55,342 | 2026-11-13 12:48:16 |
| 92.42.238.0/23 | 55,303 | 2026-11-13 12:48:16 |
| 109.232.44.0/23 | 55,208 | 2026-11-13 12:48:16 |
| 92.42.234.0/23 | 55,138 | 2026-11-13 12:48:16 |
| 92.42.232.0/23 | 55,021 | 2026-11-13 12:48:16 |
| 185.3.206.0/23 | 54,922 | 2026-11-13 12:48:16 |
| 185.3.204.0/23 | 54,734 | 2026-11-13 12:48:16 |
| 185.150.159.0/24 | 51,296 | 2026-11-13 12:48:12 |
| 185.23.219.0/24 | 28,044 | 2026-11-13 11:56:58 |
| 185.223.143.0/24 | 24,394 | 2026-11-13 11:56:58 |
| 185.3.206.0/24 | 8,003 | 2026-11-13 11:56:58 |
Frequently Asked Questions
What is AS50399?
AS50399 is an Autonomous System Number assigned to Open Line Managed Services B.V.. 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 AS50399 announce?
AS50399 announces 7.2K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in The Netherlands.
Who operates AS50399?
AS50399 is operated by Open Line Managed Services B.V.. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.
What country is AS50399 registered in?
AS50399 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
