AS28756
European Patent Organisation
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 145.64.128.0/19 | 8.2K |
3.1%
|
European Patent Organisation | DE | — | — |
| 145.64.144.0/20 | 4.1K |
0.0%
|
European Patent Organisation | DE | — | — |
| 145.64.160.0/20 | 4.1K |
2.0%
|
European Patent Organisation | DE | — | — |
| 145.64.240.0/20 | 4.1K |
0.5%
|
European Patent Organisation | DE | Bavaria | Munich |
| 145.64.128.0/21 | 2.0K |
0.0%
|
European Patent Organisation | NL | — | — |
| 145.64.136.0/22 | 1.0K |
0.0%
|
European Patent Organisation | DE | — | — |
| 145.64.142.0/23 | 512 |
0.0%
|
European Patent Organisation | DE | — | — |
| 145.64.140.0/24 | 256 |
0.0%
|
European Patent Organisation | DE | — | — |
| 145.64.141.0/24 | 256 |
0.0%
|
European Patent Organisation | AT | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28756 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 |
|---|---|---|
| 145.64.128.0/21 | 10,565 | 2026-07-30 12:13:47 |
| 145.64.160.0/20 | 6,850 | 2026-07-30 12:00:32 |
| 145.64.144.0/20 | 6,849 | 2026-07-30 12:00:32 |
| 145.64.170.0/24 | 5,965 | 2026-07-30 12:14:06 |
| 145.64.149.0/24 | 5,963 | 2026-07-30 12:14:06 |
| 145.64.140.0/22 | 5,958 | 2026-07-30 12:14:03 |
| 145.64.158.0/24 | 5,947 | 2026-07-30 12:14:03 |
| 145.64.148.0/24 | 5,941 | 2026-07-30 12:14:03 |
| 145.64.161.0/24 | 5,909 | 2026-07-30 12:14:03 |
| 145.64.147.0/24 | 5,886 | 2026-07-30 12:14:03 |
| 145.64.136.0/22 | 5,880 | 2026-07-30 12:14:03 |
| 145.64.144.0/23 | 5,879 | 2026-07-30 12:14:06 |
| 145.64.162.0/24 | 5,873 | 2026-07-30 12:14:06 |
| 145.64.244.0/22 | 5,873 | 2026-07-30 12:14:06 |
| 145.64.152.0/23 | 5,870 | 2026-07-30 12:14:03 |
| 145.64.252.0/22 | 5,844 | 2026-07-30 12:14:06 |
| 145.64.248.0/22 | 5,837 | 2026-07-30 12:14:06 |
| 145.64.157.0/24 | 5,835 | 2026-07-30 12:14:03 |
| 145.64.240.0/22 | 5,834 | 2026-07-30 12:14:03 |
| 145.64.160.0/24 | 5,820 | 2026-07-30 12:14:03 |
| 145.64.128.0/22 | 5,807 | 2026-07-30 12:14:06 |
| 145.64.146.0/24 | 5,773 | 2026-07-30 12:14:06 |
| 145.64.132.0/22 | 5,767 | 2026-07-30 12:14:06 |
| 145.64.159.0/24 | 5,760 | 2026-07-30 12:14:03 |
| 145.64.248.0/21 | 4,417 | 2026-07-30 12:00:29 |
| 145.64.240.0/21 | 4,392 | 2026-07-30 12:00:29 |
Frequently Asked Questions
What is AS28756?
AS28756 is an Autonomous System Number assigned to European Patent Organisation. 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 AS28756 announce?
AS28756 announces 16.4K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in The Netherlands.
Who operates AS28756?
AS28756 is operated by European Patent Organisation. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.
What country is AS28756 registered in?
AS28756 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
